.subtitle {
    font-size: 20px;
    font-weight: 700;
    color: #af1d2f;
    text-align: center;
    padding: 0 0 20px;
}

.convenios img{margin-bottom: 30px;}

@media(min-width: 576px){
    .subtitle{
        font-size: 26px;
    }
}

@media(min-width: 1200px){
    .subtitle{
        padding: 0 20% 20px;
    }
}