#dim1, #dim_window{ position:absolute; top:0; left:0; width:100%; z-index:101; background: url("https://shelly.kpfu.ru/pdf/picture/mainpage_new/dim.png"); display:none; text-align:left; }
.msgbox{ position:absolute; width:300px; height:200px; z-index:200; border:5px solid #222; background: #FFF; top: 50%; left: 50%; margin-top: -100px; margin-left: -150px; }
.msgbox img {border:none; margin:5px;}
.close{ top:0px; float:right; }
.close_window{ top:0px; float:right;position:relative;right:30px;top:25px;cursor:pointer;width:16px;height:16px; }