.vbox{ position: fixed; left:0; top:0; width: 100%; height: 100%; background-color: rgba(0,0,0,.5); z-index: 999; display: none;}
.verBox{ width: 720px;height: 460px; position: relative; left:50%; top:50%; margin:-230px 0 0 -360px;}
.canvasCode{ display: block!important;}
.btnclose{ display: inline-block; width: 40px; height: 40px; background-color: #fff; border-radius: 20px; -webkit-border-radius: 20px; -moz-border-radius: 20px; color: #000; position: absolute; left:50%; top:-74px; margin:0 0 0 -20px; text-align: center; line-height: 40px; font-size: 20px; }