.section-subtitle-mobile{
    display: none;
    text-align: center;
    margin-top: 28px;
}
.section-subtitle-mobile a{
    max-width: 50%;
}
@media screen and (max-width: 640px){
    .section-subtitle-mobile{
        display: block;
    }
    .section-subtitle-desktop{
        display: none;
    }
}