body {
    max-width: 700px;
}

footer > div > p {
    margin:0;
}

.rotate90 {
    -webkit-transform: rotate(90deg);
    -moz-transform: rotate(90deg);
    -o-transform: rotate(90deg);
    -ms-transform: rotate(90deg);
    transform: rotate(90deg);
}



@media only screen and (max-width: 576px){
    footer > div > p {
        font-size: 15px;
    }
}