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cbeade0380
The transition between something being static in the page and fixed to the top of the viewport is a bit jarring. This commit adds a bit of animation so that, as elements become fixed, they appear to catch up with the scrolling of the page.
36 lines
819 B
SCSS
36 lines
819 B
SCSS
// CSS adapted from
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// https://github.com/alphagov/govuk_frontend_toolkit/blob/d9489a987086471fe30b4b925a81c12cd198c91d/docs/javascript.md#stick-at-top-when-scrolling
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.js-stick-at-top-when-scrolling {
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overflow: hidden;
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margin-left: -$gutter-half;
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margin-top: 5px;
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margin-bottom: 5px;
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padding: 10px 0 0 $gutter-half;
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position: relative;
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top: -10px;
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transition: top 0.1s ease-out, box-shadow 1s ease-in-out;
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.form-group {
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margin-bottom: 20px;
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}
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}
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.content-fixed {
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position: fixed;
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top: 0;
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background: $white;
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z-index: 100;
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margin-top: 0;
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padding-right: $gutter-half;
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border-bottom: 1px solid $border-colour;
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box-shadow: 0 2px 0 0 rgba($border-colour, 0.2);
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transition: background 0.6s ease-in-out, top 0.4s ease-out, margin-top 0.4s ease-out;
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}
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.shim {
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display: block;
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}
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