body{
    margin-top: 50px;
    text-align: center;
    font-size: large;
    background-color: lightcyan;
}
p{
    margin-top: 100px;
    margin-bottom: 50px;
    font-family: Arial, Helvetica, sans-serif;
}
button{
    background-color: blue;
    width:auto;
    height: auto;
    padding: 5px;
}
a{
    padding: 5px;
    color: white;
}
button:hover{
    opacity: 0.8;
}
button:active{
    opacity: 0.5;
}