.nav-link.sobreosesilab{
    font-weight: bold;
}
/* introducao */
.secoes.sobre .intro{
    position: relative;
    padding: 30px 0;
}
.secoes.sobre header{
    padding: 0 15px;
}
.secoes.sobre header h1{
    color: #00FFFF;
    font-size: 40px;
    font-family: 'Roboto',sans-serif;
    font-weight: bold;
    margin-bottom: 40px;
    position: relative;
    width: max-content;
}

.secoes.sobre .item .conteudo .txt{
    color: #fff;
    font-family: 'Roboto', sans-serif;
    font-size: 19px;
    line-height: 29px;
    text-align: left !important;
    font-weight: 100;
}
.secoes.sobre .item .conteudo .bg-image{
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}
.secoes.sobre .item .conteudo .bg-image:nth-child(1){
    width: 100%;
    height: 400px;
    margin: 0 5px 0 5px;
}
.secoes.sobre .item .conteudo .bg-image:nth-child(2){
    width: 260px;
    height: 225px;
    margin: 5px;
}
.secoes.sobre .item .conteudo .bg-image:nth-child(3){
    width: 260px;
    height: 225px;
    margin: 5px;
}

@media(max-width: 768px){
    .secoes.sobre .item .col-md-6{
        flex: 0 0 100%;
        max-width: 100%; 
    }
    .secoes.sobre .item .col-direita{
        margin-top: 30px;
    }
    .secoes.sobre .item .conteudo .bg-image{        
        background-position: center;        
        background-size: contain;        
        width: 100% !important;        
        height: 250px !important;
    }
}