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105 lines
2.6 KiB
SCSS
105 lines
2.6 KiB
SCSS
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/**
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* Copyright 2025 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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@charset "UTF-8";
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// Spinner by CSS Wizadry: http://jsfiddle.net/csswizardry/M2D4M/
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// A simple, semantic, usable-anywhere spinner. It takes its coloring from its
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// parent element, meaning it can be dropped anywhere without modification.
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// 1. Positioning context.
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// 2. Define dimensions in ems so that we can…
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// 3. …adjust spinner size by just changing its `font-size`.
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// 4. Do not explicitly define a color (allow border to inherit current text
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// color). This makes the spinner usable on any color background. We’re also
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// only defining a bottom border here; this is what actually gives the
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// illusion of something spinning.
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// 5. Kellum method hidden text:
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// zeldman.com/2012/03/01/replacing-the-9999px-hack-new-image-replacement
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.spinner {
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@include animation(0.5s spinner linear infinite);
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border-bottom: 1px solid; // 4
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display: inline-block;
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font-size: 32px; // 3
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height: 1em; // 2
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overflow: hidden; // 5
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position: relative; // 1
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text-indent: 100%; // 5
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vertical-align: middle;
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width: 1em; // 2
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// 1. Make the spinner a circle.
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&,
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&:after {
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border-radius: 100%; // 1
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}
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// The (optically) non-spinning part of the spinner.
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// 1. Border around entire element fills in the rest of the ring.
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// 2. Paler than the part that appears to spin.
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&:after {
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border: 1px solid; // 1
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bottom: 0;
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content: '';
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left: 0;
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opacity: 0.5; // 2
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position: absolute;
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right: 0;
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top: 0;
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}
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}
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// Size variants (built by adjusting `font-size`).
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.spinner--small { font-size: 16px; }
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.spinner--large { font-size: 64px; }
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// Color overrides.
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.spinner--light { color: $white; }
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.spinner--dark { color: #333; }
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.spinner--center {
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display: block;
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margin: 0 auto;
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}
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.spinner--padded {
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margin-bottom: 1rem;
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margin-top: 1rem;
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}
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@-webkit-keyframes spinner {
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to {
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-webkit-transform: rotate(360deg);
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}
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}
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@-moz-keyframes spinner {
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to {
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-moz-transform: rotate(360deg);
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}
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}
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@keyframes spinner {
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to {
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transform: rotate(360deg);
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}
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}
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