Animate background-position with steps() timing to reduce cpu use
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1 changed files with 13 additions and 8 deletions
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@ -1,23 +1,26 @@
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/* Adds animated gradient border below tabs and around selected tab */
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/* Adds animated gradient border below tabs and around selected tab */
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/* Might or might not work, no promises*/
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/* Might or might not work, no promises */
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/* Constant animation WILL increase CPU usage */
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/* Constant animation WILL increase CPU usage */
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/*
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Thanks to /u/skenera on reddit for suggesting animating background position and using steps() function to reduce cpu load
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*/
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@keyframes rotate-gradient{
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@keyframes rotate-gradient{
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from{filter: hue-rotate(0deg)}
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from{background-position: 0 0;}
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to{filter: hue-rotate(360deg)}
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to{background-position: 200vw 0;}
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}
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}
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#TabsToolbar::before{
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#TabsToolbar::before{
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content: "";
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content: "";
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display: -moz-box;
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display: -moz-box;
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position: absolute;
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position: absolute;
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width: 100vw;
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width: 200vw;
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height: calc(var(--tab-min-height) + 2px);
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height: calc(var(--tab-min-height) + 2px);
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background-image: linear-gradient(to right, magenta, yellow, cyan);
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background-image: linear-gradient(to right, magenta, red, yellow, green, cyan, blue, magenta);
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animation: rotate-gradient 5s linear infinite;
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animation: rotate-gradient 10s steps(60) infinite;
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/*animation-timing-function: linear; */ /* smoother animation, but greatly increased cpu use */
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pointer-events: none;
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pointer-events: none;
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will-change: filter;
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z-index: -1;
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z-index: -1;
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}
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}
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@ -41,7 +44,9 @@
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opacity: 1 !important;
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opacity: 1 !important;
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}
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}
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.tabbrowser-tab{ padding: 2px 2px 0 2px !important; min-height: calc(var(--tab-min-height) - 2px);}
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.tabbrowser-tab{ padding: 2px 2px 0 2px !important; }
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.tabbrowser-tab:not([selected]){ min-height: calc(var(--tab-min-height) - 2px) !important; }
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.tabbrowser-tab[selected]{
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.tabbrowser-tab[selected]{
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padding: 0px !important;
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padding: 0px !important;
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