html, body{
    margin: 0;
    height: 100%;
    font-family: Arial, Helvetica, sans-serif;
    color: #1d0202;
}

.parallax{
    position: relative;
    background-image: url("../img/anuncio.jpg");
    height: 100%;
    background-attachment: fixed;
    background-position: center;
    background-size: cover;
}

.caption{
    position: absolute;
    left: 0;
    top: 50%;
    width: 100%;
    text-align: center;
}

.caption span.border{
    background-color: rgb(255, 255, 255);
    border-radius: 4%;
    color: rgb(156, 13, 13);
    padding: 20px;
    font-size: 30px;
}

.box1{
    background-color: white;
    text-align: justify;
    padding: 50px 50px;
}

.parallax2{
    position: relative;
    background-image: url("../img/img2.jpg");
    height: 100%;
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.box2{
    background-color: white;
    text-align: justify;
    padding: 50px 50px;
}

.parallax3{
    position: relative;
    background-image: url("../img/img3.jpg");
    height: 100%;
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.box3{
    background-color: white;
    text-align: justify;
    padding: 50px 50px;
}