main.css

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    max-width: 800px;
    margin: auto;

    background-color: black;
    color: white;
    font-family: "Fira Code", monospace;
}

a {
    color: #f57e20;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

input[type="file"] {
    display: none;
}

.custom-file-upload {
    appearance: auto;
    text-rendering: auto;
    letter-spacing: normal;
    word-spacing: normal;
    line-height: normal;
    text-transform: none;
    text-indent: 0px;
    text-shadow: none;
    display: inline-block;
    text-align: center;
    align-items: flex-start;
    cursor: default;
    box-sizing: border-box;
    margin: 0em;
    padding-block: 1px;
    padding-inline: 6px;
    border-width: 2px;
    border-style: outset;
    border-color: buttonborder;
    border-image: initial;
    font-size: 10pt;
    background-color: #333;
    color: white;
    font-family: "Fira Code", monospace;
}

button {
    background-color: #333;
    color: white;
    font-family: "Fira Code", monospace;
}

body.wide {
    max-width: 1000px;
    margin:auto;
    text-align: center
}

ul {
    max-width: 100%;
    width: max-content;
    text-align: left;
    margin: auto;
}

canvas.border {
    border: 1px solid white;
    background-color: lightgray;
}

.center {
    text-align: center;
}