html, body {
    padding: 0;
    margin: 0;
    box-sizing: border-box;  
}
body {
    font-family: 'Trebuchet MS', sans-serif;  
}
ul, li {
    list-style: none;
}
a {
    text-decoration: none;   
}
section, h1, h2, p, ul, li{
    margin: 0;
    padding: 0;
    border: 0;
    list-style: none;
    text-decoration: none;
    box-sizing: border-box; 
}