div.easychat {
  margin: 0;
  font-size: 80% /*smaller*/;
  font-weight: bold;
  line-height: 1.1;
  text-align: right;
  position: absolute;
  top: 2em;
  left: auto;
  width: 400px;
  height: 600px;
  right: 2em;
  display:none;
}

body>div.easychat {position: fixed}

div.alerta_gerdau {
/*   margin: 0; */
  font-size: 80% /*smaller*/;
  font-weight: bold;
  line-height: 1.1;
  text-align: center;
  position: absolute;
  /*top: 2em;
  left: auto;
   width: 400px;
  height: 600px; 
  right: 2em; */
  display:block;
  
  background-color:#EFEBDE;
  
  height:400px; 
  width:300px;   
  
  left:50%;
  top:50%;

  margin-left:-150px;
  margin-top:-200px;  
  
  /*border: 2px solid #0055EF;*/
}

body>div.alerta_gerdau {position: fixed}

/* .bt_ok_gerdau {
	border-width:0px;
	width:81px;
	height:26px;
	background-image: url('ok_gerdau.png');
	background-repeat: no-repeat;	
} */