body {
    background-color: #303030;
    color: white;
    padding: 12px;
}

.header {
    padding-bottom: 1rem;
    border-bottom: solid 2px;
}

.footer {
    font-size: x-small;
    background-color: dimgray;
    position: fixed;
    bottom: 0;
    left: 8px;
    right: 8px;
    padding-left: 12px;
}

.button {
    font: bold 11px Arial;
    text-decoration: none;
    background-color: #71BC76;
    color: #333333;
    padding: 2px 6px 2px 6px;
    border-radius: 20px;
    display: block;
    width: 200px;
    padding: 10px;
    font-size: 1rem;
    text-align: center;
}

.button:hover,
.button a:hover {
    background-color: #97f19d;
    color: black;
}

@media only screen and (max-width: 900px) {
    body {
        font-size: 1.5rem;
    }
}

@media only screen and (max-width: 600px) {
    body {
        font-size: 2em;
    }
}

a {
    color: cyan;
}

a:hover {
    color: yellow;
}