.front #block-block-11 h2{
    border: 7px solid red;
    display: block;
    padding: 10px 20px;
    margin: 0em auto 2em auto;
    width: 50%;
}
@media(min-width: 800px){
    .front #block-block-11 h2{
        width: 100%;
    }
}