html,body,ul,li,ol,ul,dl,dd,dt,p,h1,h2,h3,h4,h5,h6,form,fieldset{
	margin: 0;
	padding: 0;
}
body {
	background: #f2f2f2;
  }
ul,ol{
	list-style: none;
}
img{
    /* display: block; */
}
a{
    text-decoration: none;
    color: #000;
}

.page_content {
	width: 1215px;
	margin: 0 auto;
	padding: 24px 16px;
	box-sizing: border-box;
	background-color: #fff;
	box-shadow: 0px 5px 3px 1px rgba(102, 102, 102, 0.2);
	border-radius: 8px;
  }
div iframe {
     width: 800px;
     height: 450px;
}