monkeygg2.github.io/css/loading.css

:root {
    --hue: 223;
    --bg: hsl(var(--hue), 90%, 5%);
    --infinity-dur: 0.3s;
}

html {
    background: var(--bg);
}

body {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    animation: fadein 1s;
}

.loading {
    min-height: 100vh;
    display: flex;
    position: relative;
    justify-content: center;
    align-items: center;
    z-index: 6;
    cursor: progress;
}

.loading-icon {
    justify-self: center;
    display: block;
    position: absolute;
}

.loading-icon img {
    width: 256;
    height: 256;
    scale: 0.6;
}

.loading-tip {
    font-family: 'Flexi IBM VGA True (437)';
    font-weight: 400;
    text-rendering: optimizelegibility;
    color: #009400;
    font-size: 40px;
    min-height: 50px;
    display: flex;
    margin-bottom: 12rem;
}

.loading-infinity {
    display: flex;
    align-items: center;
    justify-content: center;
}

.infinity {
    width: 16em;
    height: 8em;
    padding-top: 10em;
    background-color: rgba(0, 0, 0, 0);
}

.infinity-track {
    stroke: hsl(var(--hue), 90%, 90%);
    transition: stroke var(--infinity-dur);
}

.worm1,
.worm2 {
    animation: worm1 2s linear infinite;
}

.worm2 {
    animation-name: worm2;
}

.stopped {
    animation-play-state: paused;
}

@keyframes worm1 {
    from {
        stroke-dashoffset: 0;
    }

    50% {
        animation-timing-function: steps(1);
        stroke-dashoffset: -358;
    }

    50.01% {
        animation-timing-function: linear;
        stroke-dashoffset: 358;
    }

    to {
        stroke-dashoffset: 0;
    }
}

@keyframes worm2 {
    from {
        stroke-dashoffset: 358;
    }

    50% {
        stroke-dashoffset: 0;
    }

    to {
        stroke-dashoffset: -358;
    }
}

@keyframes fadein {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}

@font-face {
    font-family: 'Flexi IBM VGA True (437)';
    src: url('../fonts/Flexi_IBM_VGA_True_437.woff2') format('woff2'),
        url('../fonts/Flexi_IBM_VGA_True_437.woff') format('woff'),
        url('../fonts/Flexi_IBM_VGA_True_437.svg#Flexi_IBM_VGA_True_437') format('svg');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

section {
    height: 100%;
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
    overflow: hidden;
}