main.css

/* FONTS */
@font-face {
    font-family: 'Roboto Regular';
    src: url('./resources/fonts/roboto-regular.woff2') format('woff2'),
         url('./resources/fonts/roboto-regular.woff') format('woff');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'Roboto Thin';
    src: url('./resources/fonts/roboto-thin.woff2') format('woff2'),
         url('./resources/fonts/roboto-thin.woff') format('woff');
    font-weight: normal;
    font-style: normal;
}

/* LAYOUT */

html, body {
    margin: 0;
    overflow: hidden;
}

body {
    background-color: #222;
    font-family: Roboto Regular;
}

canvas {
    border: 1px solid red;
    image-rendering: pixelated;
}

.ui {
    position: absolute;
    top: 0;
    left: 0;
    background-color: #eee;
    opacity: 0.75;
    display: inline-block;
    padding: 10px;
}

.ui label {
    display: inline-block;
    width: 6em;
}