body{    
    background: rgba(0, 0, 0, 0) url("../img/login.jpg") no-repeat fixed center center / cover;
}


.hoja_transp {
    background-color: 
    rgba(255, 255, 255, 0.8);
    border-radius: 50px;
    margin-top: 100px;
    padding: 50px;
    text-align: center;
   
}
.tit_entrada{ font-size: 1.5em; color:#000; font-weight: 700; text-transform: uppercase;} 
.tit_entrada2{ font-size: 1.2em; color:#000; font-weight: 700; margin-top: 30px; line-height: 100%;} 
.logo_login{padding-bottom: 50px;}
.politica{ color:#666;}
.bloque_contrasena p{ line-height: 100%;}
.icon_user{ font-size: 2.6em; color:#000;}