*,
*::before,
*::after {
    background-color: #181818;
    color: whitesmoke;
    font-family: sans-serif;
}

body {
    max-width: 1200px;
    margin: auto;
    padding: 4em;
}

h1,
h2 {
    margin-bottom: 0.7em;
    text-align: center;
}

#types {
    margin-left: 1em;
}

#types,
label[for="types"] {
    font-weight: bold;
    margin-top: 2em;
}

#submit-button {
    display: block;
    margin: 1em;
    width: 20%;
    border: none;
    padding: 0.5em;
    background-color: rgba(0, 0, 0, 0.3);
    transition: background-color 0.4s ease-in-out;
}

#submit-button:focus,
#submit-button:hover {
    cursor: pointer;
    background-color: rgba(0, 0, 0, 0.8);
    transition: background-color 0.4s ease-in-out;
}

label {
    margin-left: 1em;
}

form * {
    margin-bottom: 0.5em;
}

textarea {
    resize: none;
    height: 10em;
}

textarea,
input {
    padding: 0.3em;
    width: 60%;
}

@media screen and (max-width: 800px) {
    form * {
        display: block;
        width: 100%;
    }

    label::after {
        content: "^";
    }

    body {
        padding: 2em;
    }

    #submit-button {
        width: 100%;
        margin: 0;
    }
}