.intro-page{background:#000 url(/images/intro/queensirikit_commemorate_24102025/background.png) top no-repeat;background-size:100% 100%;padding:0;margin:0;position:relative;background-repeat:no-repeat;background-position:top;height:100vh}.btn{padding:.5rem 1rem;font-size:18px;border-radius:0;-webkit-border-radius:0;-moz-border-radius:0;-o-border-radius:0;border:1px solid;box-shadow:5px 5px 15px -5px rgba(0,0,0,.75);-webkit-box-shadow:5px 5px 15px -5px rgba(0,0,0,.75);-moz-box-shadow:5px 5px 15px -5px rgba(0,0,0,.75);transition:background-color .2s linear,border-color .2s linear,color .2s linear;-webkit-transition:background-color .2s linear,border-color .2s linear,color .2s linear;-moz-transition:background-color .2s linear,border-color .2s linear,color .2s linear;-o-transition:background-color .2s linear,border-color .2s linear,color .2s linear}.btn.btn-black{background-color:transparent;color:#fff;border-color:#fff}.btn.btn-black:hover{background-color:#fff;color:#000}@media (max-width:1024px){.intro-page{background-size:cover}.intro-page .intro-content{max-width:420px}}