body {
    background-color: #F4f4f4;
}

.center {
    text-align: center;
}

.clock-default {
    display: inline-block;
    width: auto;
}

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

hr {
    border: 0;
    height: 1px;
    background-image: linear-gradient(to right, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0));
}

#navbar-bottom-container {
    margin-top: 20px;
    margin-bottom: 0px;
}