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

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

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

.bordered-picture {
    height: 80%;
    width: 80%;
    margin-left: 10%;
    margin-right: 10%;
    margin-top: 3em;
    margin-bottom: 5em;
}