matrix-registration/static/style.css

nav {
    overflow: hidden;
    padding: 0px 0px;
}

nav ul {
    display: block;
    float: right;
}

nav ul li {
    display: block;
    float: left;
    padding-left: 1em;
}

.flash {
    padding: 0.2em;
}

.flash-error {
    color: black;
    background: red;
    font-weight: bold;
}

.full-width {
    width: 100%;
}

.text-center {
    text-align: center;
}

.justify-center {
    justify-content: center;
}

.pad-top {
    padding-top: 2em;
}

.pad-bottom {
    padding-bottom: 2em;
}