reset.css

html, body, header, footer, section, article, nav, div, img, form, input, textarea, select, optgroup, option, label, table, thead, tbody, tfoot, tr, th, td, dl, dt, dd, ol, ul, li, pre, p, h1, h2, h3, h4, h5, h6, span, br, hr, a {margin:0; padding:0; border:0; vertical-align:baseline;}
table {width:100%; text-align:center; border-collapse:separate; border-spacing:1px; cursor:default;}
ol, ul {list-style:none;}
h1, h2, h3, h4, h5, h6 {font-size:100%;}
a {text-decoration:none; outline:none;}
/* CUSTOM */
div.table {width:100%; display:table;}
div.row {width:inherit; display:table-row;}
._1, ._2, ._3, ._4, ._5, ._6 {width:100%; padding:10px 5px; float:left; box-sizing:border-box; display:table-cell;}
@media only screen and (min-width:768px)
{
._1_, ._2_, ._3_, ._4_ {padding:20px 10px;}
._1_ {width:25%;}
._2_ {width:50%;}
._3_ {width:75%;}
._4_ {width:100%;}
}
@media only screen and (min-width:1200px)
{
._1, ._2, ._3, ._4, ._5, ._6 {padding:30px 15px;}
._1 {width:16.66%;}
._2 {width:33.33%;}
._3 {width:50%;}
._4 {width:66.66%;}
._5 {width:83.33%;}
._6 {width:100%;}
}