main.css

@font-face {
    font-family: "Pokemon Classic";
    src: url("Pokemon_Classic.ttf") format("truetype");
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    overflow: hidden;
}

#main {
    width: 100vw;
    height: 100vh;
}

#sprite {
    position: absolute;
    right: 10%;
    top: 20%;
    height: 60%;
    max-width: 50%;

    image-rendering: pixelated;
    object-fit: contain;
}

#legend-container {
    position: absolute;

    font-size: min(2.25vw, 70px);
    font-weight: bold;
    font-family: "Pokemon Classic", monospace;
    height: 100%;
    display: flex;
    align-items: flex-end;

    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

#legend {
    width: 100%;
    padding: 2em;
}

#debug {
    font-size: 1em;
    padding: 1em;
    display: none;
    position: absolute;
}

#number {
    cursor: pointer;
}

/* mobile */
@media only screen and (max-width: 480px) {
    #sprite {
        left: 10%;
        top: 10%;
        height: 60%;
        max-width: 80%;
    }

    #legend-container {
        font-size: 5vw;
        text-align: center;
        height: 100%;
        width: 100%;
    }

    #legend {
        padding: 0.5em;
        padding-bottom: 15vh;
    }

    #debug {
        font-size: 0.75em;
        height: 100vh;
        width: 100vw;
    }
}