/*AI AR 智慧管理  安全培训按钮样式*/

/*手机端按钮样式*/
 @media screen and (min-width: 320px) and (max-width: 680px){
           /*视频*/
          .video-js .vjs-big-play-button{
                font-size:3em;
                line-height:1em;
                height:1em;
                width:2em; 
                display:block;
                position:absolute;
                top:43%;
                left:37%;
                padding:0;
                cursor:pointer;
                opacity:1;
                border:.06666em solid #fff;
                background-color:#2b333f;
                background-color:rgba(43,51,63,.7);
                -webkit-border-radius:.3em;
                -moz-border-radius:.3em;
                border-radius:.3em;-webkit-transition:all .4s;
                -moz-transition:all .4s;-ms-transition:all .4s;-o-transition:all .4s;transition:all .4s
          }
          .vjs-big-play-centered .vjs-big-play-button{
                top:50%;
                left:50%;
                margin-top:-.75em;
                margin-left:-1.5em
           }
}
/*pc端按钮样式*/
@media screen and (min-width:1000px){
             /*视频*/
              .video-js .vjs-big-play-button{
                font-size:3em;
                line-height:1.5em;
                height:1.5em;
                width:3em; 
                display:block;
                position:absolute;
                top:43%;
                left:44%;
                padding:0;
                cursor:pointer;
                opacity:1;
                border:.06666em solid #fff;
                background-color:#2b333f;
                background-color:rgba(43,51,63,.7);
                -webkit-border-radius:.3em;
                -moz-border-radius:.3em;
                border-radius:.3em;-webkit-transition:all .4s;
                -moz-transition:all .4s;-ms-transition:all .4s;-o-transition:all .4s;transition:all .4s
          }
          .vjs-big-play-centered .vjs-big-play-button{
                top:50%;
                left:50%;
                margin-top:-.75em;
                margin-left:-1.5em
           }
}