@media only screen and (min-width :850px){.home .header{position:fixed}.stuck .header-main{background:#000!important}.a-banner{padding-top:140px!important}}@media only screen and (max-width :850px){.header-main{background:#000!important}}@media only screen and (max-width :550px){.a-nha-cai{padding:1rem;width:calc(100% - 20px)!important;margin:0 auto!important;margin-bottom:1rem!important}.a-nha-cai::before{transform:unset;left:10px}.a-gamebaiol{grid-template-columns:repeat(2,1fr)}.a-blog{grid-template-columns:repeat(1,1fr)}.a-blog .post-item{grid-column:-1/1}.a-footer .a-menu{flex-direction:column;align-items:center}.a-order{order:-1}}