.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 1em;
    background-color: white;
}

.hidden {
    display: none !important;
}

.site-header h1 {
    margin-top: 0;
}
.site-header a {
    text-decoration: none;
    color: black;
}

.img-responsive {
    max-width: 100%;
}


.active {
    color: darkgreen;
}