.modal_window {
display:none;
opacity:0;
transition:0.7s;
position:fixed;
z-index:99999;
background-color:rgba(0 , 0, 0 , 0.7);
width:100%;
height:100%;
top:0;
left:0;
cursor:pointer;
}
.modal_inner {
background-color: #ffffff;
overflow-y: scroll;
position:absolute;
width: 80%;
height: 80%;
top:10%;
left:10%;
z-index:1000;
box-sizing: border-box;
}