h1{text-align:center;margin:0px auto 20px auto;background:darkmagenta;color:white;font-family:Arial}.btn{width:300px;height:50px;margin-right:10px}.row{padding-bottom:20px}.form-control-lg:hover{background:chocolate;color:white}.send:hover{-webkit-transform:scale(1.1);-ms-transform:scale(1.1);transform:scale(1.1)}.form-control-file{opacity:0.8}.form-control-file:hover{opacity:1;color:darkblue}