main.css

@font-face {
    font-family: 'Roboto';
    src: url('../fonts/Roboto-Regular-webfont.woff') format('woff');
    font-weight: normal;
}

@font-face {
    font-family: 'Roboto';
    src: url('../fonts/Roboto-Bold-webfont.woff') format('woff');
    font-weight: bold;
}

body {
    background-color: #212121;
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    color: white;
}

.grid-stack {
    width: 95%;
    margin: auto;
}

.grid-stack-item-content > .container {
    background-color: #616161;
    text-align: center;
    border-radius: 1vh;
}

.grid-stack-item .container {
    display: table;
    width: 100%;
    height: 100%;
}

.grid-stack-item-content .container > div {
    vertical-align: middle;
    display: table-cell;
    width: 100%;
    height: 100%;
}

.main {
    width: 100%;
    height: 100%;
}

.content {
    width: 40%;
    margin: auto;
    text-align: center;
}

.spacer {
    margin-bottom: 5vmin;
}

.page-item {
    display: block;
    background-color: #616161;
    text-align: center;
    border-radius: 1vh;
    margin: 2vmin;
    padding: 2vmin;

    text-decoration: none;
    color: white;
    font-size: 1.5rem;
}

@media (max-width: 600px) {
    .content {
        width: 90%;
    }
}