@media (max-width: 767px) and (min-width: 480px) {
.cover {
    height: 700px;
}
}
@media (min-width: 768px) {
.cover {
height:350px;
}
}
@media (min-width: 992px) {
.cover {
height:450px;
}
}
@media (min-width: 1200px) {
.cover {
height:550px;
}
}
.single-post li{
    margin-left: 40px;
}