html, body, header, nav, main, article, footer, div, span, h1, h2, h3, h4, h5, h6, p, ol, ul, li, table, tbody, thead, tr, th, td, b, strong, i, em, u, a, img, fieldset, legend, label, form, input, select, textarea, button, hr {
    background: trasparent;
    font-size: 100%;
    margin: 0;
    padding: 0;
    border: 0;
    outline: 0;
    box-sizing: border-box;
    -o-box-sizing: border-box;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    overflow-x: hidden;
}
header, nav, main, article, footer, h1, h2, h3, h4, h5, h6, p , div, li {display:block;}
div, span, h1, h2, h3, h4, h5, h6, p, òi, th, td, b, strong , i , em, cite, u, a, legend, label, input, select, textarea, button {color:inherit;}
h1,h2,h3,h4,h5,h6, b, strong {font-weight:bold;}
ol, ul, {list-style-type: none;}
table {table-layout: fixed; empty-cells: hide; border-collapse: collapse; border-spacing: 0;}
i,em { font-style : italic;}
u { text-decoration : underline;}
a, a:link, a:active, a:hover, a:visited { text-decoration : none;}
button, input[type="button"], input[type="submit"] { cursor:pointer;}