body{
    margin:0 auto;
    margin-top: 40px;
    padding: 20px;
    border: 10px solid red;
    width: 20%;
    font-family: Arial, Helvetica, sans-serif;
    text-align: center;
}

.circle {
    background: red;
    color: white;
    padding: 5px 20px;
    border-radius: 50%;
    font-size:65px;
}

.circle:hover {
    background-color: gray;
}

.instruction {
    text-align: center;
    font-size: 60%;

}