@charset "UTF-8";

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

body {
    font-family: Arial, Helvetica, sans-serif;
}

h1 {
    margin-top: 100px;
    font-size: 40px;
    text-transform: uppercase;
}

h2 {
    font-size: 30px;
    text-transform: uppercase;
}

header {
    margin: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    justify-content: center;
    max-width: 710px;
}

main {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: auto;
    max-width: 710px;
    background-color: aqua;
    border-radius: 10px;
}

#container {
    margin-top: 50px;
}

.formItems {
    display: flex;
    flex-direction: column;
    text-align: center;
    align-items: center;
}

label {
    font-size: 1.2em;
    text-transform: uppercase;
    font-weight: bolder;
}

#userNumber {
    margin-top: 5px;
    font-size: 1.2em;
    border-radius: 8px;
    max-width: 200px;
    text-align: center;
}

button {
    margin-top: 30px;
    width: 90px;
    padding: 10px;
    font-size: 1.2em;
    font-weight: bolder;
    border-radius: 10px;
    background-color: rgb(49, 49, 223);
    color: white;
    transition: transform 0.3s ease;
}

button:hover {
    cursor: pointer;
    transform: scale(1.1, 1.1);
}

#result {
    margin-top: 20px;
    margin-bottom: 20px;
    font-size: 1.2em;
    font-weight: bolder;
}

footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    text-align: center;
    background-color: black;
    color: white;
    padding: 10px;
}

footer > p > a {
    color: white;
    font-style: italic;
}

@media (max-width: 720px) {
    h1 {
        font-size: 30px;
    }

    h2 {
        font-size: 13px;
    }

    main {
        margin-top: 10px;
    }

    label {
        font-size: 12px;
    }

    #userNumber {
        font-size: 12px;
        width: 130px;
        border-radius: 5px;
    }

    button {
        padding: 5px;
        font-size: 12px;
        border-radius: 8px;
    }

    #result {
        font-size: 12px;
    }
}