html {
    height: 100%;
    width: 100%;
}

body {
    margin: 0;
    height: 100%;
    width: 100%;
}

section {
    margin-bottom: 4em;
}

.full-picture {
    height: 100%;
    width: 100%;
    min-height: 250px;
}

.bordered-picture img {
    height: 80%;
    width: 80%;
    margin-left: 10%;
    margin-right: 10%;
    margin-top: 3em;
}

.pictures-line {
    min-width: 80%;
    width: 80%;
    margin-left: 10%;
    margin-right: 10%;
    display: flex;
    margin-bottom: 15px;
}

.pictures-line .picture img {
    width: 100%;
    height: 100%;
}

.pictures-line .separator {
    min-width: 15px;
}

footer {
    margin-top: 7em;
    text-align: center;
    position: relative;
    font-family: serif;
    font-size: 11px;
    color: #555;
    background-color: #EEE;
    border-top: solid 2px #DDD;
    padding-bottom: 10px;
    padding-top: 14px;
}

footer p {
    margin: 0;
}

footer a {
    text-decoration: none;
    font-weight: 600;
    font-family: sans-serif;
    color: #111;
}