@charset "utf-8";
.overlay {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    transition: opacity 500ms;
    visibility: hidden;
    opacity: 0;
}
.overlay:target {
    visibility: visible;
    opacity: 1;
}
#popupBody{
    width: 45%;
    padding: 20% 10%;
    border-radius: 10%;
    background-image: url(../imagenes/pop-up.jpg);
    background-size: 100%;
    position: relative;
    transition: all 2s ease-in-out;
    margin: 5% auto;    
}
#cerrar{
    position: absolute;
    top: 30px;
    right: 30px;
    transition: all 200ms;
    font-size: 30px;
    font-weight: bold;
    text-decoration: none;
    color: #000000;
}

 @media screen and (max-width: 500px){
     .overlay{
         background: rgba(0, 0, 0, 0,7);
     }
     #popupBody{
         padding: 25% 20%;
         margin: 50% auto;
     }
    }