div#qr-screen{z-index:200000;z-index:2147483647;min-width:100vw;min-height:100vh;display:none;position:fixed;top:0;left:0}#video{width:auto;min-width:100%;height:auto;min-height:100%;position:fixed;bottom:0;right:0}#startDecoding{color:#fff;text-align:center;background:#0095dd;-moz-border-radius:40px;border-radius:40px;width:150px;margin:-30px 0 0 -95px;padding:20px;font-family:Arial,sans;font-size:20px;position:fixed;top:50%;left:50%}#corner-nw,#corner-no,#corner-so,#corner-sw{border:6px solid #fff;width:30px;height:30px;position:fixed}#corner-nw{border-bottom:0;border-right:0;-moz-border-top-left-radius:20px;border-top-left-radius:20px;top:20px;left:20px}#corner-no{border-bottom:0;border-left:0;-moz-border-top-right-radius:20px;border-top-right-radius:20px;top:20px;right:20px}#corner-so{border-top:0;border-left:0;-moz-border-bottom-right-radius:20px;border-bottom-right-radius:20px;bottom:20px;right:20px}#corner-sw{border-top:0;border-right:0;-moz-border-bottom-left-radius:20px;border-bottom-left-radius:20px;bottom:20px;left:20px}