@media only screen and (min-width :850px){.header-top{background-image:url(/wp-content/uploads/2025/01/header-bg.webp);background-repeat:no-repeat;background-position:top center;background-size:cover}.header .button{background:#000}}@media only screen and (max-width :850px){.header .button{background:#d45b26}}@media only screen and (max-width :550px){.a-thanh-tich .col{border:unset}.a-tai-app:before,.a-tai-app:after{width:100%;height:50%}.a-tai-app:after{top:unset;bottom:0}.menu-footer{flex-direction:column}}