body, html {
	background: #CCC;
	height: 150%;
	width: 100%;
	margin: 0px;
	padding: 0px;
}

#tabla th img {
  height:200px;
  width:200px;
  border:0;
  }


#video {
	width:"320" ;
	height:"240";
	float:left;
}


.modA {

  background-image: url(images/img1.jpg);
  background-repeat:no-repeat;
  background-size:cover;  
  background-origin:content-box;
  height: 120px;
  width: 120px;
  margin-left: 50px;
  float: left;
  margin-bottom: 20px;
  text-align: center;
  padding: 20px;
  margin-top: 20px;
  background-color: #F2F1EE;
  border: 1px solid #000;
}
.modB {
  
  background-image: url(images/img2.jpg);
  background-repeat:no-repeat;
  background-size:cover;  
  background-origin:content-box;
  height: 120px;
  width: 120px;
  margin-left: 50px;
  float: left;
  margin-bottom: 20px;
  text-align: center;
  padding: 20px;
  margin-top: 20px;
  background-color: #F2F1EE;
  border: 1px solid #000;
}
.modC {
  
  background-image: url(images/img3.jpg);
  background-repeat:no-repeat;
  background-size:cover;  
  background-origin:content-box;
  height: 120px;
  width: 120px;
  margin-left: 50px;
  float: left;
  margin-bottom: 20px;
  text-align: center;
  padding: 20px;
  margin-top: 20px;
  background-color: #F2F1EE;
  border: 1px solid #000;
}
.modD {
  
  background-image: url(images/img4.jpg);
  background-repeat:no-repeat;
  background-size:cover;  
  background-origin:content-box;
  height: 120px;
  width: 120px;
  margin-left: 50px;
  float: left;
  margin-bottom: 20px;
  text-align: center;
  padding: 20px;
  margin-top: 20px;
  background-color: #F2F1EE;
  border: 1px solid #000;
}