h2{
    font-size: 3rem;
}

.cat-subtitle{
    padding-left:100px;    
}
.cat-subtitle::before {
    content: '';
    border-top: 1px solid #fff;
    position: absolute;
    width: 80px;
    top: 40%;
    left: 0;
}
@media screen and (max-width: 767px){
    .cat-subtitle::before {
        content: '';
        border-top: none;
        position: relative;        
    }
    .cat-subtitle{
        padding-left: 0;    
    }
}