body,
html {
}

body {
		background-color: #555;
		margin: 0; 
}

* {
	box-sizing: border-box;
	user-select: none;
	-moz-user-select: none;
	-webkit-user-select: none;
	-ms-user-select: none;
}

.content {
	position: absolute;
	top: 50%;
	left: 50%;
	width: 35%;
	-ms-transform: translate(-50%,-50%); 
   	-webkit-transform: translate(-50%,-50%);
    transform: translate(-50%,-50%);
}


.interbox{
	background-color: #555555;
}


#video1 {
	background-color: #a0a0a0;
	position: absolute;
	display:block;
	top:000px;
	left:640px;
	width=
}

#ctrl-box{
	background-color: #888888;
	background-image: url("../img/bk.jpg");
	background-position: 50%;	
	position: absolute;
	display:inline-block;
	top:320px;
	left:640px;
	width:400px;
	height:160px;
	text-align: center;

}

.btn_play {
	width:100px;
	height:50px;
}
.btn_pause {
	width:100px;
	height:50px;
}

.btn_stl {
	position: absolute;
	top:45px;
	left:110px;
	width:180px;
	height:60px;
    font-size:18px;
    text-decoration:none;
    display:block;
    text-align:center;
    border-radius:2px;
    color:#333;
    border:2px solid #888888;
	background-color: transparent;
	border: 2px solid #fff;
	color: #fff;
	line-height: 50px;
	transition: all .2s;
}

.btn_stl:hover {
	background-color: rgba(255,255,255, .2);
	border-color: #fff;,
	color: #fff;
	transition: all .2s;
}