.protect_contents-overlay{
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
opacity:0.7;
display: none;
z-index: 1500;
}
.protect_alert{
position:fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
padding: 0 10px 0 10px;
margin: auto;
width:300px;
height:100px;
overflow:hidden;
background-color:#fff;
display: none;
z-index: 2000;
border-radius: 10px;
-webkit-border-radius: 10px;
-moz-border-radius: 10px;
-o-border-radius: 10px; 
-ms-border-radius: 10px;
}
.protect_alert_word{
width:300px;
height:100px;
display:table-cell;
text-align:center;
vertical-align:middle;
}