.button {
    display: block;
    border: 1px solid #bbb;
    background-color: #eee;
    padding: .3em 1em;
    text-align: center;
    color: black;
    text-decoration: none;
    margin-bottom: 1em;
}

hr {
    margin-bottom: 1em;
}

h3.login-as {
    text-align: center;
    margin-bottom: 1em !important;

}

.button:hover {
    color: black;
    background-color: #ddd;
}

.button:visited {
    color: black;
}

div.clear-both {
    clear: both;
}