body{
    background-color: #F5F5F5;
    min-height: 100vh;
    overflow: hidden;
}
/*body::after {
    content: "";
    background: url('imagenes/background.jpg');
    opacity: 0.2;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    position: absolute;
    z-index: -2;
}*/
#contenedorPadreInicioSesion{
    /*position: relative;*/
}
body > main{
    position: relative;
    height: 100vh;
}
body main > .container-fluid{
    -webkit-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    transform: translateY(-50%);
    top:50%;
    position: relative;
}
#contenedorInicioSesion{
    background-color: #fff;
    border-radius: 4px;
    padding-top: 20px;
    padding-bottom: 20px;
    border:1px solid #ddd;
    box-shadow: 0px 0px 4px 1px rgba(0,0,0,0.2);
}
#contenedorInicioSesion .titulo{
    padding-bottom: 5px;
    margin-bottom: 15px;
    border-bottom: 1px solid rgba(0,0,0,0.1);
}
#contenedorInicioSesion .titulo img{
    opacity: 0.6;
    width: 32px;
    float:left;
    margin-right: 4px;
}
#contenedorInicioSesion .titulo h4{
    color:#555;
    float:left;
    font-size: 18px;
}
footer{
    position: absolute;
    bottom:60px!important;
    left:0px;
}
@media (max-height:490px){ 
    footer{
        display: none;
    }
}