* {
    box-sizing: border-box;
}

html {
    position: relative;
    min-height: 100%;
    font-size: 16px;
}

body {
    
    margin: 10px;
    margin-bottom: 30px;
}

a.navbar-brand {
    white-space: normal;
    text-align: center;
    word-break: break-all;
}

.center {
    margin: auto;
    width: 90%;
/*    border: 3px solid green;*/
    padding: 10px;
}

img {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 80%;
}

    img.table {
        display: block;
        margin-left: auto;
        margin-right: auto;
        width: 20%;
    }

.caption {
    margin-left: auto;
    margin-right: auto;
    width: 80%;
}

table, th, td {
    border: 1px solid;
    text-align: center;
    padding: 15px;
}

/* Responsive layout - makes the three columns stack on top of each other instead of next to each other */
@media screen and (max-width: 600px) {
    .column.side, .column.middle {
        width: 100%;
        font-size: 20px;
    }
}