* {
    margin: 0;
    padding: 0;
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
}

.wrap {
    width: 1200px;
    margin: 0 auto;
}

.fl {
    float: left;
}
.fr {
    float: right;
}

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