Rollup merge of #92448 - jsha:font-size-access, r=GuillaumeGomez
Set font size proportional to user's font size According to MDN (https://developer.mozilla.org/en-US/docs/Web/CSS/font-size), > To maximize accessibility, it is generally best to use values that are relative to the user's default font size. > Defining font sizes in px is not accessible, because the user cannot change the font size in some browsers. Note that changing font size (in browser or OS settings) is distinct from the zoom functionality triggered with Ctrl/Cmd-+. Zoom functionality increases the size of everything on the page, effectively applying a multiplier to all pixel sizes. Font size changes apply to just text. For relative font sizes, we could use `em`, as we do in several places already. However that has a problem of "compounding" (see MDN article for details). The compounding problem is nicely solved by `rem`, which make font sizes relative to the root element, not the parent element. Since we were using a hodge-podge of pixel sizes, em, rem, and percentage sizes before, this change switches everything to rem, while keeping the same size relative to our old default of 16px. 16px is still the default on most browsers, for users that haven't set a larger or smaller font size. Part of #59845. Note: this will conflict with #92404. We should merge that first (once it's done) and I'll resolve the merge conflicts. r? `@GuillaumeGomez` Demo: https://rustdoc.crud.net/jsha/font-size-access/std/string/struct.String.html
This commit is contained in:
Matthias Krüger
GitHub
commit
5bf321f9a4
@ -108,7 +108,7 @@ html {
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/* General structure and fonts */
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body {
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font: 16px/1.4 "Source Serif 4", NanumBarunGothic, serif;
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font: 1rem/1.4 "Source Serif 4", NanumBarunGothic, serif;
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margin: 0;
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position: relative;
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@ -118,13 +118,13 @@ body {
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}
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h1 {
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font-size: 1.5em;
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font-size: 1.5rem;
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}
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h2 {
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font-size: 1.4em;
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font-size: 1.4rem;
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}
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h3 {
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font-size: 1.3em;
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font-size: 1.3rem;
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}
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h1, h2, h3, h4, h5, h6 {
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font-weight: 500;
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@ -160,10 +160,10 @@ h2,
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border-bottom: 1px solid;
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}
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h3.code-header {
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font-size: 1.1em;
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font-size: 1.1rem;
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}
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h4.code-header {
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font-size: 1em;
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font-size: 1rem;
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}
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h3.code-header, h4.code-header {
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font-weight: 600;
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@ -206,7 +206,7 @@ div.impl-items > div:not(.docblock):not(.item-info),
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}
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.content ul.crate a.crate {
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font-size: 16px/1.6;
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font-size: 1rem/1.6;
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}
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ol, ul {
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@ -317,7 +317,7 @@ li {
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nav.sub {
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position: relative;
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font-size: 16px;
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font-size: 1rem;
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text-transform: uppercase;
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}
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@ -423,7 +423,7 @@ nav.sub {
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.sidebar .location {
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border: 1px solid;
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font-size: 17px;
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font-size: 1.0625rem;
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margin: 30px 10px 20px 10px;
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text-align: center;
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word-wrap: break-word;
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@ -432,7 +432,7 @@ nav.sub {
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}
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.sidebar .version {
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font-size: 15px;
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font-size: 0.9375rem;
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text-align: center;
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border-bottom: 1px solid;
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overflow-wrap: break-word;
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@ -470,7 +470,7 @@ nav.sub {
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overflow: hidden;
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line-height: 15px;
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padding: 7px 5px;
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font-size: 14px;
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font-size: 0.875rem;
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font-weight: 300;
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transition: border 500ms ease-out;
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}
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@ -479,7 +479,7 @@ nav.sub {
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border-top: 1px solid;
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border-bottom: 1px solid;
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text-align: center;
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font-size: 17px;
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font-size: 1.0625rem;
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margin-bottom: 5px;
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font-weight: inherit;
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padding: 0;
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@ -579,18 +579,18 @@ nav.sub {
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white-space: pre-wrap;
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}
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.top-doc .docblock h2 { font-size: 1.3em; }
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.top-doc .docblock h3 { font-size: 1.15em; }
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.top-doc .docblock h2 { font-size: 1.3rem; }
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.top-doc .docblock h3 { font-size: 1.15rem; }
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.top-doc .docblock h4,
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.top-doc .docblock h5 {
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font-size: 1.1em;
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font-size: 1.1rem;
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}
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.top-doc .docblock h6 {
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font-size: 1em;
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font-size: 1rem;
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}
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.docblock h5 { font-size: 1em; }
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.docblock h6 { font-size: 0.95em; }
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.docblock h5 { font-size: 1rem; }
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.docblock h6 { font-size: 0.95rem; }
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.docblock {
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margin-left: 24px;
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@ -605,7 +605,7 @@ nav.sub {
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.content .out-of-band {
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flex-grow: 0;
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text-align: right;
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font-size: 23px;
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font-size: 1.4375rem;
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margin: 0px;
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padding: 0 0 0 12px;
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font-weight: normal;
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@ -646,7 +646,7 @@ nav.sub {
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.content td { vertical-align: top; }
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.content td:first-child { padding-right: 20px; }
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.content td p:first-child { margin-top: 0; }
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.content td h1, .content td h2 { margin-left: 0; font-size: 1.1em; }
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.content td h1, .content td h2 { margin-left: 0; font-size: 1.1rem; }
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.content tr:first-child td { border-top: 0; }
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.docblock table {
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@ -687,7 +687,7 @@ nav.sub {
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.content .multi-column li { width: 100%; display: inline-block; }
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.content > .methods > .method {
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font-size: 1em;
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font-size: 1rem;
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position: relative;
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}
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/* Shift "where ..." part of method or fn definition down a line */
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@ -695,7 +695,7 @@ nav.sub {
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.content .fn .where,
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.content .where.fmt-newline {
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display: block;
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font-size: 0.8em;
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font-size: 0.8rem;
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}
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.content .methods > div:not(.notable-traits):not(.method) {
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@ -718,7 +718,7 @@ nav.sub {
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}
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.content .item-info code {
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font-size: 90%;
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font-size: 0.81rem;
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}
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.content .item-info {
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@ -732,7 +732,7 @@ nav.sub {
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.content .item-info::before {
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content: '⬑';
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font-size: 25px;
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font-size: 1.5625rem;
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position: absolute;
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top: -6px;
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left: -19px;
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@ -835,7 +835,7 @@ h2.small-section-header > .anchor {
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position: absolute;
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top: 0;
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right: 0;
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font-size: 17px;
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font-size: 1.0625rem;
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font-weight: normal;
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}
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@ -905,7 +905,7 @@ h2.small-section-header > .anchor {
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border-radius: 1px;
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margin-top: 5px;
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padding: 10px 16px;
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font-size: 17px;
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font-size: 1.0625rem;
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transition: border-color 300ms ease;
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transition: border-radius 300ms ease-in-out;
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transition: box-shadow 300ms ease-in-out;
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@ -1000,7 +1000,7 @@ body.blur > :not(#help) {
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#help span.top, #help span.bottom {
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text-align: center;
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display: block;
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font-size: 18px;
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font-size: 1.125rem;
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}
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#help span.top {
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@ -1030,7 +1030,7 @@ body.blur > :not(#help) {
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.stab {
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padding: 3px;
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margin-bottom: 5px;
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font-size: 90%;
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font-size: 0.9rem;
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font-weight: normal;
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}
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.stab p {
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@ -1038,7 +1038,7 @@ body.blur > :not(#help) {
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}
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.stab .emoji {
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font-size: 1.2em;
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font-size: 1.2rem;
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}
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/* Black one-pixel outline around emoji shapes */
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@ -1054,7 +1054,7 @@ body.blur > :not(#help) {
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.import-item .stab {
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border-radius: 3px;
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display: inline-block;
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font-size: 80%;
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font-size: 0.8rem;
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line-height: 1.2;
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margin-bottom: 0;
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margin-left: .3em;
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@ -1080,7 +1080,7 @@ body.blur > :not(#help) {
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.impl-items .srclink, .impl .srclink, .methods .srclink {
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/* Override header settings otherwise it's too bold */
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font-size: 17px;
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font-size: 1.0625rem;
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font-weight: normal;
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}
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@ -1089,7 +1089,7 @@ body.blur > :not(#help) {
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}
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.has-srclink {
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font-size: 16px;
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font-size: 1rem;
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margin-bottom: 12px;
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/* Push the src link out to the right edge consistently */
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justify-content: space-between;
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@ -1120,7 +1120,7 @@ a.test-arrow {
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position: absolute;
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padding: 5px 10px 5px 10px;
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border-radius: 5px;
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font-size: 130%;
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font-size: 1.3rem;
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top: 5px;
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right: 5px;
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z-index: 1;
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@ -1155,19 +1155,19 @@ a.test-arrow:hover{
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.out-of-band > span.since {
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position: initial;
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font-size: 20px;
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font-size: 1.25rem;
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margin-right: 5px;
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}
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h3.variant {
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font-weight: 600;
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font-size: 1.1em;
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font-size: 1.1rem;
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margin-bottom: 10px;
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border-bottom: none;
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}
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.sub-variant h4 {
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font-size: 1em;
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font-size: 1rem;
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font-weight: 400;
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border-bottom: none;
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margin-top: 0;
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@ -1227,7 +1227,7 @@ h3.variant {
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padding: 5px 3px 3px 3px;
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border-radius: 6px;
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margin-left: 5px;
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font-size: 16px;
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font-size: 1rem;
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}
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.tooltip.ignore::after {
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@ -1260,7 +1260,7 @@ h3.variant {
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.tooltip.compile_fail, .tooltip.should_panic, .tooltip.ignore {
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font-weight: bold;
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font-size: 20px;
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font-size: 1.25rem;
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}
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.notable-traits-tooltip {
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@ -1279,7 +1279,7 @@ h3.variant {
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border-radius: 6px;
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margin-left: 5px;
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z-index: 10;
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font-size: 16px;
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font-size: 1rem;
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cursor: default;
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position: absolute;
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border: 1px solid;
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@ -1299,14 +1299,14 @@ h3.variant {
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.notable-traits .notable {
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margin: 0;
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margin-bottom: 13px;
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font-size: 19px;
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font-size: 1.1875rem;
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font-weight: 600;
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}
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.notable-traits .docblock code.content{
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margin: 0;
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padding: 0;
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font-size: 20px;
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font-size: 1.25rem;
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}
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/* Example code has the "Run" button that needs to be positioned relative to the pre */
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@ -1344,7 +1344,7 @@ pre.rust {
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float: left;
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width: 33.3%;
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text-align: center;
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font-size: 18px;
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font-size: 1.125rem;
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cursor: pointer;
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border: 0;
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border-top: 2px solid;
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@ -1357,7 +1357,7 @@ pre.rust {
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#titles > button > div.count {
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display: inline-block;
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font-size: 16px;
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font-size: 1rem;
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}
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.notable-traits {
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@ -1384,7 +1384,7 @@ pre.rust {
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left: 0;
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cursor: pointer;
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font-weight: bold;
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font-size: 1.2em;
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font-size: 1.2rem;
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border-bottom: 1px solid;
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display: flex;
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height: 40px;
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@ -1398,7 +1398,7 @@ pre.rust {
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overflow: auto;
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}
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#source-sidebar > .title {
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font-size: 1.5em;
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font-size: 1.5rem;
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text-align: center;
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border-bottom: 1px solid;
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margin-bottom: 6px;
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@ -1426,6 +1426,9 @@ pre.rust {
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#theme-picker, #settings-menu, #help-button, #copy-path {
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padding: 4px;
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/* Rare exception to specifying font sizes in rem. Since these are acting
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as icons, it's okay to specify their sizes in pixels. */
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font-size: 16px;
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width: 27px;
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height: 29px;
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border: 1px solid;
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@ -1437,7 +1440,9 @@ pre.rust {
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right: 30px;
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font-family: "Fira Sans", Arial, sans-serif;
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text-align: center;
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font-size: 17px;
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/* Rare exception to specifying font sizes in rem. Since this is acting
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as an icon, it's okay to specify their sizes in pixels. */
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font-size: 16px;
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padding-top: 2px;
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}
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@ -1499,7 +1504,7 @@ kbd {
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border: 0;
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border-collapse: collapse;
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border-spacing: 0;
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font-size: 16px;
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font-size: 1rem;
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}
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.table-display tr td:first-child {
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@ -1511,11 +1516,11 @@ kbd {
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}
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.table-display .out-of-band {
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position: relative;
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font-size: 19px;
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font-size: 1.1875rem;
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display: block;
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}
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#implementors-list > .impl-items .table-display .out-of-band {
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font-size: 17px;
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font-size: 1.0625rem;
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}
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.table-display td:hover .anchor {
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@ -1557,7 +1562,7 @@ div.name.expand + .children {
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div.name::before {
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content: "\25B6";
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padding-left: 4px;
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font-size: 0.7em;
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font-size: 0.7rem;
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position: absolute;
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left: -16px;
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top: 4px;
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@ -1624,7 +1629,7 @@ details.rustdoc-toggle.top-doc > summary::before,
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details.rustdoc-toggle.non-exhaustive > summary,
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details.rustdoc-toggle.non-exhaustive > summary::before {
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font-family: 'Fira Sans';
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font-size: 16px;
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font-size: 1rem;
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}
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details.non-exhaustive {
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@ -1768,7 +1773,7 @@ details.rustdoc-toggle[open] > summary.hideme::after {
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min-height: 39px;
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background: inherit;
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text-align: left;
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font-size: 24px;
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font-size: 1.5rem;
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}
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.sidebar .location:empty {
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@ -1909,7 +1914,7 @@ details.rustdoc-toggle[open] > summary.hideme::after {
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}
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.show-it > .block.items > ul > li > a {
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font-size: 21px;
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font-size: 1.3125rem;
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}
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/* Because of ios, we need to actually have a full height sidebar title so the
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