/* CSS Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html, body {
    height: 100%;
    font-family: Arial, sans-serif;
}
ul, ol {
    list-style: none;
}
a {
    text-decoration: none;
    color: inherit;
}
button {
    cursor: pointer;
}
img {
    max-width: 100%;
    height: auto;
}