body {
    font-family: Arial, sans-serif;
    background-color: silver;
    color: black;
    margin: 40px;

}

h2 {
    text-align: center;
    color: orangered;
}
input[type="radio"] {
    width: 100%;
}

fieldset {
    border: 1px solid gray;
    margin-bottom: 15px;
    padding: 10px 15px;
    border-radius: 8px;
    width: 300px;
    text-align: center;


}
button {
    background-color: blue;
    color: white;
    border: none;
    padding: 10px 15px;
    margin-right: 10px;
    border-radius: 5px;
}
h4 {
    text-align: center;
    color: orangered;
}