.viewer-btn{font-size:14px;line-height:20px;text-align:center;vertical-align:middle;cursor:pointer;color:#333;text-shadow:0 1px 1px rgba(255,255,255,.75);background-color:#f5f5f5;background-image:-moz-linear-gradient(top,#fff,#e6e6e6);background-image:-webkit-gradient(linear,0 0,0 100%,from(#fff),to(#e6e6e6));background-image:-webkit-linear-gradient(top,#fff,#e6e6e6);background-image:-o-linear-gradient(top,#fff,#e6e6e6);background-image:linear-gradient(to bottom,#fff,#e6e6e6);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffffff',endColorstr='#ffe6e6e6',GradientType=0);border-color:#e6e6e6 #e6e6e6 #bfbfbf;border-color:rgba(0,0,0,.1) rgba(0,0,0,.1) rgba(0,0,0,.25);filter:progid:DXImageTransform.Microsoft.gradient(enabled=false);border:1px solid #ccc;border-bottom-color:#b3b3b3;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;-webkit-box-shadow:inset 0 1px 0 rgba(255,255,255,.2),0 1px 2px rgba(0,0,0,.05);-moz-box-shadow:inset 0 1px 0 rgba(255,255,255,.2),0 1px 2px rgba(0,0,0,.05);box-shadow:inset 0 1px 0 rgba(255,255,255,.2),0 1px 2px rgba(0,0,0,.05);position:absolute;display:inline-block;z-index:7;display:block;width:35px;height:35px;top:90%}.viewer-btn-selected{color:red}.viewer-icon{display:block;margin:10px auto}.nav-control{position:absolute;left:0;top:0;width:100%;height:100%;z-index:7;border::none}.nav-control tr{border:none;padding:0}.nav-control td{border:none;width:10px;height:10px;margin:5px}.direction-icon-horizontal{display:block;position:absolute;top:40%;height:50%;width:100%}.direction-icon-vertical{display:block;position:absolute;left:45%}.direction-icon-top{top:5%}.direction-icon-bottom{top:10%}.direction-btn-horizontal{width:10%;height:50%}.direction-btn-vertical{width:50%;height:20%;margin:auto}.direction-btn{font-size:14px;line-height:20px;text-align:center;vertical-align:middle;cursor:pointer;color:#333;text-shadow:0 1px 1px rgba(255,255,255,.75);background-color:#f5f5f5;background-image:-moz-linear-gradient(top,#fff,#e6e6e6);background-image:-webkit-gradient(linear,0 0,0 100%,from(#fff),to(#e6e6e6));background-image:-webkit-linear-gradient(top,#fff,#e6e6e6);background-image:-o-linear-gradient(top,#fff,#e6e6e6);background-image:linear-gradient(to bottom,#fff,#e6e6e6);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffffff',endColorstr='#ffe6e6e6',GradientType=0);border-color:#e6e6e6 #e6e6e6 #bfbfbf;border-color:rgba(0,0,0,.1) rgba(0,0,0,.1) rgba(0,0,0,.25);filter:progid:DXImageTransform.Microsoft.gradient(enabled=false);border:1px solid #ccc;border-bottom-color:#b3b3b3;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;-webkit-box-shadow:inset 0 1px 0 rgba(255,255,255,.2),0 1px 2px rgba(0,0,0,.05);-moz-box-shadow:inset 0 1px 0 rgba(255,255,255,.2),0 1px 2px rgba(0,0,0,.05);box-shadow:inset 0 1px 0 rgba(255,255,255,.2),0 1px 2px rgba(0,0,0,.05);opacity:.7;position:relative}.left-btn{height:100%;min-height:75px;min-width:25px;width:10%;float:left}.right-btn{height:100%;min-height:75px;min-width:25px;width:10%;float:right}.top-btn{min-width:75px;min-height:25px}.bottom-btn{min-width:75px;min-height:25px}.viewer-reset{left:5%}.viewer-free-look-mode{left:10%}.viewer-auto-rotate-mode{left:15%}.viewer-auto-rotate-play{left:45%}.viewer-auto-rotate-pause{left:45%}.viewer-free-look-mouse{left:25%}.viewer-free-look-arrows{left:25%}.vertical-filler{height:80%;min-height:25px;width:100%}.loading-screen{position:absolute;left:0;top:0;width:100%;height:100%;z-index:20;background-color:#fff}.loading-screen-inner{position:relative;width:100%;height:100%}.loading-screen-inner>svg{width:100%;height:100%;display:block;position:relative}.viewer-error{font-size:16px;color:red;margin:auto;width:30%;height:30%}