.div_content {
    height: 90%;
    width: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    overflow: hidden;
}

.iframe_form {
    width: 100%;
    height: 900px;
    transform: scale(0.8);
    position: relative;
    top: -30px;
}

.color_span {
    color: #129e9c;
}

@media (max-device-width: 812px){
    .alto_proyecto {
        height: 500px;
    }

    .iframe_form {
        width: 100%;
        top: 0;
        left: 0;
        height: 780px;
    }

    .div_content {
        height: 100%;
        width: 90%;
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        text-align: center;
    }

    .item-proyecto_2{
        height:800px;
    }
}