html, body {
    margin: 0;
    line-height: 1;
    -webkit-text-size-adjust: 100%;
    -moz-tab-size: 4;
    -o-tab-size: 4;
    tab-size: 4;
    font-family: ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    font-feature-settings: normal;
    font-variation-settings: normal;
    -webkit-tap-highlight-color: transparent;
    background-color: black;
}

body {
    height: 100svh;
    overflow: hidden;
    margin: auto;
    position: absolute;
    text-align: center;
    width: 100%;
    z-index: -1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(#000 20%, #29fcdf29, #000 80%);
}
main {
    color: #29fcdf;
    fill: #29fcdf;
    position: relative;
}
h1 {
    margin: 8px auto;
    font-size: 32px;
    text-transform: uppercase;
    text-shadow: 0px 0px 10px #29fcdf7d;
}
img {
    border-radius: 100%;
    max-width: 128px;
    width: 100%;
    height: auto;
    border: 4px solid;
    box-shadow: 0 0 64px 4px #29fcdf7d;
}
a.github {
    width: 32px;
    height: auto;
    display: inline-block;
    line-height: 0;
}
a.github svg {
    width: 100%;
    height: auto;
}
