body{background-image: url("images/fondo-contenedores.jpg")}
#content-login{margin-top: 10%;}
#login{    padding: 15px;background-color: #FFFFFF;border-radius: 5px;box-shadow: 0 0 28px white;}
.logologin{width: 150px;margin-left: auto;margin-right: auto;}
#button-ingresar{margin-left: auto;margin-right: auto;display: block;}