body, html {
    margin: 0;
    height: 100%;
    overflow: hidden;
}
.bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../img/facultad_derecho_ucentral.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: grayscale(100%);
    z-index: -1;
}

.titulo_form{
    font-size: 23px;
    color: #ffffff;
    padding: 25px 20px 0 20px;
}

.estilos_form{
    background-color: #003f69;
    height: 500px;
    margin-top: 30px;
    border-top-left-radius: 40px;
    border-bottom-right-radius: 40px;
}


.login{
    margin-top: 30px;
    padding-left: 50px;
    padding-right: 50px;
}

.estilos_tit_campos{
    color: #ffffff;
    text-align: left;
}


.btn_login{
    width: 300px;
    margin-top: 20px;
}

.titulo_footer{
    color: #ffffff;
    margin-top: 90px;
    position: relative;
}

.caja_error{
    margin-top: 20px;
    position: absolute;
    width: 400px;
    font-size: 14px;
}