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

.main>div:nth-child(1){
    height: 40px;
    line-height: 40px;
}

.main>div:nth-child(1) a{
    text-decoration: none;
    color: black;
    font-size: 20px;
}

.main>div:nth-child(2){
    height: 40px;
    line-height: 40px;
    font-size: 20px;
}