.viewer_button {
    float:left;
	-webkit-box-shadow:inset 0px 1px 0px 0px #d9fbbe;
	box-shadow:inset 0px 1px 0px 0px #d9fbbe;
	background:-webkit-gradient( linear, left top, left bottom, color-stop(0.05, #b8e356), color-stop(1, #a5cc52) );
	background:-moz-linear-gradient( center top, #b8e356 5%, #a5cc52 100% );
	filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#b8e356', endColorstr='#a5cc52');
	background-color:#b8e356;
	-webkit-border-top-left-radius:7px;
	border-top-left-radius:7px;
	-webkit-border-top-right-radius:7px;
	border-top-right-radius:7px;
	-webkit-border-bottom-right-radius:7px;
	border-bottom-right-radius:7px;
	-webkit-border-bottom-left-radius:7px;
	border-bottom-left-radius:7px;
	text-indent:0;
	border:1px solid #83c41a;
	color:#ffffff;
	font-family:Arial;
	font-size:13px;
	font-weight:bold;
	font-style:normal;
	height:28px;
	line-height:28px;
	width:100px;
	text-decoration:none;
	text-align:center;
	text-shadow:1px 1px 0px #86ae47;
    margin-left: 10px;
}
.viewer_button:hover {
	background:-webkit-gradient( linear, left top, left bottom, color-stop(0.05, #a5cc52), color-stop(1, #b8e356) );
	background:-moz-linear-gradient( center top, #a5cc52 5%, #b8e356 100% );
	filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#a5cc52', endColorstr='#b8e356');
	background-color:#a5cc52;
}.viewer_button:active {
	position:relative;
	top:1px;
}

#viewer_cameras_bar {
    color: #ffffff;
    text-align:left;
    display:block; 
    width:650px;   
    margin:auto; 
}

.viewer_bar {
    min-width:312px; /*100px+212px(32*6)*/
    margin-top: 0px;
}