* {
    padding: 0px;
    margin: 0;
}

a {
    color: #000;
    text-decoration: none;
}

ul {
    list-style: none;
}

.container {
    margin: 0 auto;
    position: relative;
}

.container-fluid {
    width: 100%;
}

.l {
    float: left;
}

.r {
    float: right;
}

.clear::after {
    content: '';
    display: block;
    clear: both;
}