/* Alain Tenorio external sheet*/
body {
    background-color: aquamarine;
    margin-left: auto;
    margin-right: auto;
    margin-left: 30px;
    margin-right: 30px;
}
h1{
    margin-left: auto;
    margin-right: auto;
    font-family: cursive;
    text-align: center;
}
h2{
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    color: firebrick;
    background-color: blueviolet;
}
h3{
    margin-left: auto;
    margin-right: auto;
    color: floralwhite;
    text-align: center;
    background-color: darkgoldenrod;
}
h4{
    text-align: center;
    color: blanchedalmond;
    background-color: fuchsia;
}