#alert_div{ position:fixed; top:10%; left:50%; width:300px; text-align:center; margin-left:-150px; border-radius:10px; 
display:none; color: #a94442; background-color: #fac543; padding:10px 0;
z-index: 9999; 	font-weight:normal;border: 1px solid #d04d0d; font-size:80%;}
#success_div{ position:fixed; top:10%; left:50%; width:300px; text-align:center; margin-left:-150px; border-radius:10px; 
display:none; padding:10px 0;
z-index: 9999; 	font-weight:normal;font-size:80%;}
#loader{ position:fixed; width:100%; height:100%; left:0; top:0; background:rgba(255,255,255,.7); z-index:9999;}
#loader img{ width:150px; height:150px; margin:-75px 0 0 -75px; left:50%; top:50%; position:absolute;}