body{
    background-color: azure;
}
h1{
    text-align: center;
    border-top: 4px solid green;
    border-bottom: 4px solid yellow;
    border-radius: 15px;
    background-color:#607b8a ;
    font-size: 50px;
}
h2{
    border-bottom: 2px solid black;
    border-radius: 15px;
    
    text-align: center;
    font-size: 30px;
}
h3{
     border-bottom: 2px solid black;
    border-radius: 15px;
    
    text-align: center;
    font-size: 30px;
}
h4{
     border-bottom: 2px solid black;
    border-radius: 15px;
    
    text-align: center;
    font-size: 30px;
}
.parrafo1{
    border-bottom: 2px solid yellow;
    border-radius: 15px;
    background-color:rgba(96,123,138,0.5);
    width: 45%;
}
.parrafo2{
    border-bottom: 2px solid yellow;
    border-radius: 15px;
    background-color:rgba(96,123,138,0.5);
    width: 45%;
}
.parrafo3{
    border-bottom: 2px solid yellow;
    border-radius: 15px;
    background-color:rgba(96,123,138,0.5);
    width: 45%;
}