body{text-align: center;}
h1{text-align: center;
    width: 300px;
    padding: 20px;
    background-color: aqua;
    color: black;
    border: solid red 10px;
    border-radius: 10px;}

 h3{text-align: center;
    width: 200px;
    padding: 20px;
    background-color: aquamarine;
    color: gray;
    border-radius: 10px;}

p{font-size: large;
    color: black;
    font: tahoma;
}
a{font-size: large;
width: 50px;
padding-inline-start: 10px;
background-color: yellow;
border-radius: 2px;
text-align: center;
}