.main-body{background: url(../images/bg4.jpg);background-size: cover;color:white}
a{text-decoration: none;}
img{cursor: pointer;vertical-align: middle;align-items: center;}
.height-header{height:60px !important;line-height: 60px !important;}
.height-title{height: 50px !important;line-height: 50px !important;}
.height-main{height: calc(100vh - 80px);}
.height-footer{height:200px;}
.height-chat{height: calc(100vh - 350px);}

/*#play{height: calc(100vh - 350px);}*/