* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

a {
    cursor: pointer;
    text-decoration: none;
}

button {
    cursor: pointer;
    user-select: none;
}

body {
    font-family: monospace;
    padding: 20px;
}