#container{
position: fixed;
width: 100%;
height: 100%;
background: rgba(255,255,255,0.6);
z-index:1001;
}

#popup{
width: 50%;
height: 55%;
background-image: url('../img/slider/popup.jpg');
background-size: 100%;
position: absolute;
top: 25%;
left: 25%;
transform: tranlsteY(-50%, -50%);
box-shadow: 10px, 5px, 5px, black;
}