.block {
background-color: rgba(0, 0, 0, 0.5);
}.block {
width: 672px;
height: 314px;
cursor: pointer;
margin: 10px;
overflow: hidden;
border-radius: 9px;
}
.block img {
display: block;
}.message .button:hover{
background-position: -9px -47px;
}