.bg_primary {
    background-color: #b30024;
}
.text_white {
    color: #fff;
}
.text_center {
    text-align: center;
}
.pb_5, .py_5 {
    padding-bottom: 3rem;
}
.pt_5, .py_5 {
    padding-top: 3rem;
}
.position_relative {
    position: relative;
}



#contactoss .detalle_rectangulo {
    position: absolute;
    width: 2.5rem;
    height: 2.5rem;
    background: #b30024;
    left: 50%;
    bottom: 0;
    -webkit-transform: translateX(-50%) translateY(50%) rotate(45deg);
    transform: translateX(-50%) translateY(50%) rotate(45deg);
}