.header{
    margin-bottom: 80px;
}

.header img{
    width: 100%;
}

.slogan{
    margin: 50px 0;
    height: 80px;
}

.box-content{
    padding: 20px;
    border: 1px solid rgba(0,0,0,0.05);
    box-shadow: 0 3px 9px rgba(0, 0, 0, 0.15);
}

.foot-content{
    height: 60px;
    line-height: 60px;
}