html, body {
    padding: 0;
    margin: 0;
    background: black;
    font-family: 'Anonymous Pro', monospace;
    height: 100%;
}

#debug {
    display: none;
    position: fixed;
    color: yellow;
    top: 0;
    left: 0;
}

#debug td {
    padding: 5px;
    color: yellow;
}

#stopWatchWrapper {
    cursor: pointer;
    display: flex;
    height: 70%;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

#stopWatch {
    color: silver;
    font-size: 20vw;
    z-index: 0;
}

#stopWatch.disabled {
    opacity: 0.2;
}

#instructions {
    color: silver;
    font-size: 4vw;
    text-decoration: none;
}

.header {
    color: silver;
    display: flex;
    height: 10%;
    align-items: center;
    justify-content: center;
}

.header h1 {
    font-size: 3vw;
}

.footer {
    display: flex;
    height: 20%;
    align-items: center;
    justify-content: center;
}

.footer a {
    color: silver;
    font-size: 5vw;
    text-decoration: none;
}

@media only screen
and (min-device-width: 320px)
and (max-device-width: 480px)
and (-webkit-min-device-pixel-ratio: 2)
and (orientation: portrait) {
    .header h1 {
        margin-top: 100px;
        font-size: 2em;
        text-align: center;
    }
    .footer a {
        font-size: 2em;
    }
}

/* Portrait */
@media only screen
and (min-device-width: 768px)
and (max-device-width: 1024px)
and (orientation: portrait)
and (-webkit-min-device-pixel-ratio: 1) {
    .header h1 {
        margin-top: 100px;
        font-size: 2em;
        text-align: center;
    }
    .footer a {
        font-size: 2em;
    }
}