body{
    color: aliceblue;
    background-image: url(Fondo2.png);
    
}
h1{
    border-bottom: 4px solid #F4D35E;
    border-radius: 15px;
    text-align: center;
    background-color: rgba(0,20,60,0.55);
    
}
h2{
    border-bottom: 2px solid rgb(0, 183, 255);
    border-radius: 15px;
     width: 300px;
     background-color: rgba(0,20,60,0.55);
     margin-top: -800px;
}
h3{
     border-bottom: 2px solid rgb(0, 183, 255);
      width: 300px;
      border-radius: 15px;
      background-color: rgba(0,20,60,0.55);
}

h4{
     border-bottom: 2px solid rgb(0, 183, 255);
      width: 300px;
      border-radius: 15px;
      background-color: rgba(0,20,60,0.55);
}
iframe{
    margin-left: 600px;
    margin-top: 100px;
    height: 700px;
}