/// Global Rules
* {
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    margin: 0;
    padding: 0; }

/* HTML5 elements */
article,aside,details,figcaption,figure,
footer,header,hgroup,menu,nav,section { 
    display:block; }