* {
    margin: 0;
    padding: 0;
}

a {
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

li {
    list-style: none;
}

.clearfix::before,
.clearfix::after {
    content: "";
    height: 0;
    line-height: 0;
    display: block;
    visibility: hidden;
}

.clearfix::after {
    clear: both;
}