*,body,html{margin:0;padding:0}.header{height:60px;background-color:#fff}.header-main{width:1200px;margin:0 auto;height:60px;display:flex;align-items:center}.menu-box{display:flex;margin-left:100px;align-items:center}.menu{margin:0 26px}.main{width:1920px;margin:0 auto}img{display:block;border:none}