103 lines
1.8 KiB
CSS
103 lines
1.8 KiB
CSS
html, body {
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margin: 0;
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height: 100vh;
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overflow: hidden;
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background: linear-gradient(-45deg, #0f172a, #1e293b, #0ea5e9, #22c55e);
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background-size: 400% 400%;
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animation: gradientShift 12s ease infinite;
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color: white;
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font-family: Arial;
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}
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#problem {
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position: absolute;
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top: 10%;
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left: 50%;
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transform: translateX(-50%);
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font-size: 76px;
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text-align: center;
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}
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#equation {
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position: absolute;
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top: 30%;
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left: 50%;
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transform: translateX(-50%);
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font-size: 32px;
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font-family: "Comic Sans MS", cursive; /* surprisingly effective */
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text-shadow:
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0 0 2px rgba(255,255,255,0.8),
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0 0 6px rgba(255,255,255,0.4);
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transition: opacity 0.5s ease, transform 0.5s ease;
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}
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#explanation {
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position: absolute;
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top: 45%;
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left: 50%;
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transform: translateX(-50%);
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font-size: 24px;
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opacity: 0.8;
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} 28px;
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#steps {
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position: absolute;
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top: 27%; /* below the problem */
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left: 50%;
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transform: translateX(-50%);
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width: 800px;
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text-align: center;
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font-size: 28px;
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}
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#waveCanvas {
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position: fixed;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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z-index: 0;
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}
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#particleCanvas {
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position: fixed;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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z-index: 0;
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}
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.fade-out {
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opacity: 0;
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transform: translateX(-50%) scale(0.95);
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}
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.fade-in {
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opacity: 1;
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transform: translateX(-50%) scale(1);
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}
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.chalk-in {
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opacity: 0;
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transform: scale(1.05);
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filter: blur(6px);
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}
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.chalk-in-active {
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opacity: 1;
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transform: scale(1);
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filter: blur(0px);
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transition: all 0.4s ease;
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}
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@keyframes gradientShift {
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0% { background-position: 0% 50%; }
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50% { background-position: 100% 50%; }
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100% { background-position: 0% 50%; }
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} |