.subtitulo h2{
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    color:#000000;
    border-bottom: 10px solid #C0C0C0;
}

.subt2{
    position: relative;
    color: #a3a1a1;
    left: 45%;
}

.subt1{
    display: none;
}

.nosotros{
    margin-top:10%;
}

@media screen and (max-width: 1200px){
    .subt2{
        display: none;
    }

    .subt1{
        display: inline-block;
    }
}