.overlay {
    position: absolute;
    top: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.2) 0%, rgba(0, 0, 0, 0.0) 50%, rgba(0, 0, 0, 0.0) 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
    width: 100%;
    height: 100%;
    z-index: 1;
}

.contacto .formulario{ padding: 10%;}
.contacto .formulario .form-control{background-color: #ffffff20; border:none;}
.contacto .formulario .politica{font-size:0.8em; color:#FFF; }

.contacto h2{font-size: 2.2em; padding-bottom: 20px; font-weight: 700;}

.contacto p {text-align: left;}
.contacto h3{font-size:1.3em; padding-top: 4px; font-weight: 600;}
.contacto .form-group {    margin-bottom:1.5rem;}
.contacto .form-group label{text-transform: uppercase; font-size: 0.8em;color:#FFF; padding-left: 5px;}
.contacto *::placeholder{visibility:hidden ;}
.contacto .sobre_titulo::after{ display: none;}
.contacto .bajo_raya {border:none;}

.contacto .mapa {
    background-color: #E6E4E0;
    padding-left: 0px;
    padding-right: 0px;
}
.contacto h2::after {
    content: " ";
    display: block;
    height: 3px;
    width: 100px;
    margin: 20px 0;
}

.contacto p a{text-decoration: underline;}

/* Extra small devices (portrait phones, less than 576px)*/
@media (max-width: 575.98px) {
    .relleno_bloques{ padding: 30px 10px;}
    .contacto h2, .formulario h2{font-size: 1.6em;}
}

/* Small devices (landscape phones, 576px and up)*/
@media (min-width: 576px) and (max-width: 767.98px) {

}

/* Medium devices (tablets, 768px and up)*/
@media (min-width: 768px) and (max-width: 991.98px) {
    .formulario {padding: 40px 20px;}
}

/* Large devices (desktops, 992px and up)*/
@media (min-width: 992px) and (max-width: 1199.98px) {

}

@media (min-width: 1200px) and (max-width: 1900px) {
    .formulario {padding: 10%;}
    .contacto h2 { font-size: 3.2em;}
}

/* Extra large devices (large desktops, 1200px and up)*/
@media (min-width: 1901px) {
    .formulario {padding: 10%;}
    .contacto h2 { font-size: 3.2em;}
}