body {
  background-color:palegreen;
  margin:0 auto;
  max-width: 1605px;
}

iframe {

  border-radius: 10px;

}

#instructions {
  max-width:1000px;
  margin: 0 auto;
  padding: 25px;
  position: relative;
  background-color:white;
  border-radius: 25px;
  border: 2px solid #73AD21;
}

.clear {
  clear: both;
}

.left {
  text-align:center;
  float:left;
  padding:25px;
}