* {
    margin: 0;
    padding: 0;
    text-decoration: none;
    border: none;
    outline: none;
    list-style: none;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

html, body {
    width: 100%;
    height: 100%;
    background-color: #EEE;
}