.header {
}
.row_3 {
    background-image: url("../IMG/top-cerchiari-usinagem_tarja.png");
}
.row_2 {
    clear: both;
    min-height: 100px;
    width:100%;
    padding-left:15px;
    padding-right:15px;
    margin-left:auto;
    margin-right:auto;
}
img.image1 {
    height: auto;
    width:auto;
    margin-left:auto;
    margin-right:auto;
    display:block;
}
img.image2 {
    height: auto;
    margin-left:auto;
    margin-right:auto;
    display:block;
}
@media only screen and (min-width : 768px) {
    .header {
        min-height: 253px;
    }
    .row_3 {
        min-height: 245px;
    }
    .row_2 {
        clear: both;
        min-height: 245px;
        width:90%;
        padding-left:15px;
        padding-right:15px;
        margin-left:auto;
        margin-right:auto;
    }
}
@media only screen and (min-width : 1024px) {
    .header {
        min-height: 253px;
    }
    .row_3 {
        min-height: 0;
    }
    .row_2 {
        width: 80%;
        padding-left:15px;
        padding-right:15px;
        margin-left:auto;
        margin-right:auto;
        max-width:1232px;
        min-height:0px;
    }
}