body {
    background-color: #000;
    color: #fff;
    font-family: sans-serif;
    font-size: 6px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    text-transform: lowercase;
    overflow: hidden;
}

#app {
    width: 100px;
    height: 100px;
    border: 0.1px solid #333;
    padding: 0;
    margin: 0;
    overflow: hidden;
}

h1, h2, h3, p {
    margin: 0;
    padding: 0;
    line-height: 1;
}

.hint {
    opacity: 0.4;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* secret way styles */
.secret-unlocked body {
    background-color: #fff;
    color: #000;
    text-transform: none;
    font-family: serif;
    font-size: 16px;
}
.secret-unlocked #app {
    width: auto;
    height: auto;
    border: none;
}