chrono.css

* {
	font-family: sans-serif;
}

@media screen and (orientation: portrait) {
    body {
        background: url("img/chrono_portrait.jpg");
        background-size: 100% auto;
        text-align: center;
    }
    #buttonlist {
        width: 100%;
        padding: 0;
        margin: 0;
        position: absolute;
        bottom: 0.5em;
        left: 0em;
    }
    #buttonlist li {
        display: inline-block;
        width: 30%;
    }
    input {
        width: 100%;
        height: 3em;
    }
    #viewCount {
        font-weight: bold;
        font-size: 4em;
        color: black;
        position: absolute;
        left: 0.45em;
        top: 1.2em;
        text-align: center;
        width: 50%;
    }
}

@media screen and (orientation: landscape) {
    body {
        background: url("img/chrono_landscape.jpg");
        background-size: 100% auto;
    }
    #buttonlist {
        width: 50%;
        height: 100%;
        padding: 0;
        margin: 0;
        position: absolute;
        left: 0.5em;
    }
    #buttonlist li {
        display: inline-block;
        width: 100%;
        height: 30%;
        padding-bottom: 0.5em;
    }
    input {
        width: 100%;
        height: 100%;
    }
    #viewCount {
        font-weight: bold;
        font-size: 4em;
        color: black;
        position: absolute;
        right: 0.45em;
        top: 1.2em;
        text-align: center;
        width: 40%;
    }
}