body {
    background-color: #ffffff;
    background-position: top;
    background-repeat: no-repeat;
    background-size: cover;
}

@media (min-width: 1024px) {
    body {
        background-image: url("/images/horiz_high.jpg");
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    body {
        background-image: url("/images/horiz_low.jpg");
    }
}

@media (max-width: 767px) {
    body {
        background-image: url("/images/vert.jpg");
    }

    div.centered {
        width: 80%;
        font-size: large;
    }
}

.centered {
    margin: auto;
    width: 50%;
    padding: 10px;
    background-color: rgba(256, 256, 256, 0.5);
    border-radius: 10px;
    text-shadow: 0px 0px 10px #ffffff;
    position: relative;
    top: 16px;
    font-size: x-large;
    text-align: center;
    overflow-wrap: anywhere;
}

.centered .h1 {
    font-size: 1.5em;
}

.centered a {
    color: #000000;
}

.header {
    text-decoration: none;
    color: black;
}

.footer {
    position: absolute;
    bottom: 0;
    text-align: center;
    width: 100%;
}