html{position:relative;min-height:100vh;overflow:hidden}body{height:100%;margin-bottom:60px}#main{display:flex;align-items:center;margin-bottom:0}#main div{flex:auto;align-items:center}#btn-lucky,#btn-search{font-size:18px;font-weight:600;background:#f7f7f7;border:none;cursor:pointer;padding:3px 5px;margin:5px;width:200px;height:40px;text-align:center;color:#777}#btn-lucky:hover,#btn-search:hover{border:1px solid #777;color:#444;box-shadow:2px 2px 2px #ccc}#btn-lucky,#btn-search{display:inline}#img-fluid{width:100%}.center-logo{margin-top:130px;max-width:475px;display:block;margin-left:auto;margin-right:auto;margin-bottom:50px}.container{width:auto;padding:0 15px}.container .text-muted{margin:20px 0;font-size:small}.full-view-height{height:calc(80vh - 60px);padding:0}.footer{position:absolute;bottom:0;width:100%;height:60px;background-color:#f5f5f5}.align-right{text-align:right}.divider{padding-left:5px;padding-right:5px;color:#ccc}a{color:gray}