body { 
	background-color: cyan;
	margin: 0;
    font-family: Arial, Helvetica, sans-serif;
	}
	h1 {
		color: orange;
      animation: mymove2 4s infinite;}
    @keyframes mymove2 {50% {color: lime;}
	}
	h2 {
		color: white;
		}
	h3 {
		color: cyan;
		}
	h4 {
		color: red;
		}
	p {
		color: black;
		}

.btn {
  -webkit-border-radius: 10;
  -moz-border-radius: 10;
  border-radius: 10px;
  font-family: Georgia;
  color: #ffaa00;
  font-size: 20px;
  background: #000000;
  padding: 10px 20px 10px 20px;
  border: solid #ffaa00 10px;
  text-decoration: none;
}

.btn:hover {
  background: #000000;
  text-decoration: none;
  border: 10px solid #ffea00;
  color: #ffea00;
}

* {box-sizing: border-box;}

.header {
  overflow: hidden;
  background-color: #f1f1f1;
  padding: 20px 10px;
}

.header a {
  float: left;
  color: black;
  text-align: center;
  padding: 12px;
  text-decoration: none;
  font-size: 18px; 
  line-height: 25px;
  border-radius: 4px;
}

.header a.logo {
  font-size: 25px;
  font-weight: bold;
}

.header a:hover {
  background-color: #ddd;
  color: black;
}

.header a.active {
  background-color: dodgerblue;
  color: white;
}

.header-right {
  float: right;
}

@media screen and (max-width: 500px) {
  .header a {
    float: none;
    display: block;
    text-align: left;
  }
  
  .header-right {
    float: none;
  }
}
.iframe {
	height:500px; 
	width:1250px; 
	border: 7px solid orange;