body{
	background-color: #000;
	width: 100%;
	margin-left: auto;
	margin-right: auto;
	margin-top: 20px;
	margin-bottom: 20px;
	text-align: center;
}

h3{
	font-family: firalight, Arial, Helvetica, sans-serif;
	font-size: 1.3em;
	font-weight: bold;
	color: #FFF;
}

iframe {
  padding:10px;
  border:5px solid pink;
  background-color:white;
  width:100%;
  height:400px;  
  box-sizing: border-box;

}

.divCentrar{
	text-align: center;
	font-weight: bold;
        box-sizing: border-box;
        
}

#iframes {
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;

    -webkit-flex-wrap: wrap;
    flex-wrap:wrap;
}

#marco {
    background-color: pink;
    padding: 10px;
    margin: auto;
    border: 5px solid white;
    box-sizing: border-box;
     
   
}

button{
       font-weight: bold;
	width: 100px;
	height: 30px;
	background-color: #9F5F9F;
	color: #FFF;
	border-radius: 5px;
	cursor: pointer;
	margin: 5px;
}

button:hover {
	font-weight: bold;
	background-color: #FFCFB9;
	color: #333;
	border-radius: 15px;
	cursor: pointer;
}

input {
	width: 200px;
	height: 30px;
	padding-left: 5px;
	border-radius: 5px;
	margin: 5px;
}