.cont .border{
	height: 480px;
	overflow-y:auto;
}

.formula{
	background: #fff;
	margin-top: 20px;
	margin-bottom: 20px;
	margin-right: 33.3%;
}

.texto3{
	font-size: 60px;
	font-weight: bold;
	font-style: italic;
}

.btns1{
	width: 410px;
}

.btns1:active{
	margin:3px 0 0 84px;
}

.btn2{
	 position: absolute;
  right: 30px;
  top: 20px;
}

.vpdf{
	margin-bottom: 20px;
	margin-top: 20px;
	width: 60%;
  	margin-left: auto;
  	margin-right: auto;
}

.btn3:active{
	margin:3px 0 0 195px;
}
