.viewer_button{-webkit-box-shadow:inset 0 1px 0 0 #d9fbbe;box-shadow:inset 0 1px 0 0 #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;display:inline-block;color:#fff;font-family:Arial;font-size:13px;font-weight:700;font-style:normal;height:28px;line-height:28px;width:100px;text-decoration:none;text-align:center;text-shadow:1px 1px 0 #86ae47;margin-top:10px;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}