.container {
    max-width: 960px;
}

/*
   * Custom translucent site header
   */

.site-header {
    background-color: rgba(0, 0, 0, .85);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    backdrop-filter: saturate(180%) blur(20px);
}

.site-header a {
    color: #8e8e8e;
    transition: color .15s ease-in-out;
    text-decoration: none;
}

.site-header a:hover {
    color: #fff;
    text-decoration: none;
}

.big-head {
    color: #fff;
    background-image: url('img/universe.jpg');
    background-repeat: no-repeat;
    background-size: cover;
    background-position: bottom;
}
/*
   * Extra utilities
   */

.flex-equal>* {
    flex: 1;
}

@media (min-width: 768px) {
    .flex-md-equal>* {
        flex: 1;
    }
}