screen_out

overflow:hidden;

display:block;

position:absolute;

left:-9999px;

width:1px;

height:1px;

font-size:0;

line-height:0;

---

.hide{visibility:hidden; overflow:hidden; width:0; height:0; font-size:0; line-height:0;}

---

.blind{

overflow:hidden;

position:absolute;

top:0;

left:0;

width:1px;

height:1px;

font-size:0;

line-height:0;

}