layout.css

/* Medium devices (landscape tablets, 768px and up) */
@media only screen and (min-width: 768px) {
    body {
        background-color: #23334E;
    }
    .content {
        width:600px;
        min-height: 100vh;
    }
    .cover {
        width:600px;
        min-height: 100vh;
    }
}
.cover {
    text-align: center;
    background-color: #23334E;
    margin: auto;
    color: #ccc;
    max-width: 600px;
}

.container {
    background-color: #172135;
    /* background-image: url("images/background.png"); */
    overflow:hidden;
    margin: 0 auto;
    height:100%;
}

.content {
    background-color: #fff;
    margin: auto;
    padding-bottom: 23px;
}
.pagehead {
    background-color: #445777;
    padding: 23px;
    margin-bottom: 23px;
}
img {
    max-width: 600px;
}