html, body {
    padding: 0;
    margin: 0;
    width: 100vw;
    background-color: rgb(227, 227, 227);
    font-family: Arial, Helvetica, sans-serif;
}

.main-content {
    padding: 0.5em;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8em;
}

#hr {
    width: 100%;
    height: 1px;
    background-color: black;
}

#toggle {
    padding: 1.8em;
}

#clearKey {
    padding: 0.8em;
    background-color: red;
    color: white;

    border: 1px solid black;
    border-radius: 0.25em;;
}

#clearKey:hover {
    background-color: rgb(197, 0, 0);
}