body {
    background-color: grey;
}

.box {
    width: 300px;
    height: 360px;
    margin: auto;
    background-color: white;
    padding: 5px;
}

h1 {
    text-align: center;
}

legend {
    font-weight: bold;
}

button {
    display: block;
    margin: auto;
}

.red {
    color: red;
}