.post1 {
    padding: 79px 0 45px;
    border-bottom: 1px solid #eee;
}

.fotoinstag {
    float: left;
    overflow: hidden;
    width: 25.333%;
    padding-right: 5px;
    padding-bottom: 6px;
}

.artigo_secao{
    margin-top: 102px;
    margin-bottom: 2px;
    font-size: 48px;
    font-weight: 300;
    line-height: 1.08;
}

.imagem_artigo{
    max-width: 60% !important;
}

.teste{
   margin-right: 260px !important;
}