div{
  /*border : 1px solid red;*/
}
#div {
  /*width: 300px;*/
  height: 200px;
  padding: 10px;
}
#divv {
  width: 300px;
  height: 200px;
  padding: 10px;
  border: 1px solid #aaaaaa;
}
#tamanio {
  width: 100%;
/*  height:calc(100vh - 102px);;*/
height: 87vh;
  padding: 10px;
  border: 2px solid #aaaaaa;
}

.stvideo:hover{
  background-color:#98aab7;
  border:2px solid white !important;
  color: #98aab7;
}
.stvideo{
  margin-left:18px;
  /*margin-left: 20px;*/
  margin-bottom: 4px;
  padding:1%;
  padding-bottom:12%;
  border:2px solid #ffffff !important;
  width:20vw;
  height:400px;
  background-color: #1c1f1e;
  text-align: center;
  color: #1c1f1e;
}

.stvidemenu{
  margin-left:4px;
  margin-bottom: 4px;
  padding:1%;
  padding-bottom:12%;
  border:2px solid #ffffff !important;
  width:100%;
  height:100%;
  background-color: #1c1f1e;
  text-align: center;
  color:#1c1f1e;
}
.titulovideo{
  color: white;
  text-align: center;
  font-style: normal;
  font: 15px arial, sans-serif;
  font-size: 180%;
}
.button {
  background-color: #4CAF50;
  border: none;
  color: white;
  padding: 15px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 4px 2px;
  cursor: pointer;
}

@media only screen and (max-width: 575px) and (orientation: portrait){
	.stvideo {
	 width: 74vw;
	 height: 36vh;
  }
}
@media only screen and (min-width: 576px)  and (max-width: 767px) and (orientation : portrait){

	.stvideo {
	 width: 39vw;
	 height: 400px;
  }

}
@media only screen and (min-width: 768px)  and (max-width: 991px) and (orientation : portrait){

	.stvideo {
	 width: 38vw;
	 height: 400px;
  }

}
@media only screen and (min-width: 992px)  and (max-width: 1199px) and (orientation : portrait){

	.stvideo {
	 width: 40vw;
	 height: 400px;
  }

}
@media only screen and (min-width: 1200px) and (orientation: portrait){
	.stvideo {
	 width: 20vw;
	 height: 400px;
  }
}

@media only screen and (max-width: 575px) and (orientation: landscape){
	.stvideo {
	 width: 74vw;
	 height: 60vh;
  }
}
@media only screen and (min-width: 576px)  and (max-width: 767px) and (orientation : landscape){

	.stvideo {
	 width: 42vw;
	 height: 52vh;
  }

}
@media only screen and (min-width: 768px)  and (max-width: 991px) and (orientation : landscape){

	.stvideo {
	 width: 38vw;
	 height: 50vh;
  }

}
@media only screen and (min-width: 992px)  and (max-width: 1199px) and (orientation : landscape){

	.stvideo {
	 width: 40vw;
	 height: 400px;
  }

}
@media only screen and (min-width: 1200px) and (orientation: landscape){
	.stvideo {
	 width: 21vw;
	 height: 37vh;
  }
}