body{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}


section fieldset{
    width: 500px;
    height: auto;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    background-color: #fbfbf8;
    margin: 0 auto;
    margin-top: 150px;
}

section legend{
    text-align: center;
    font-size: 20px;
}

section select{
    margin-top: 15px;
}

section button{
    margin-top: 15px;
}