.clearfix {
  zoom: 1;
}
.clearfix:before, .clearfix:after {
  display: table;
  content: "";
}
.clearfix:after {
  clear: both;
}
.hidden {
  display: none;
}
.container {
  width: 960px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
  position: relative;
  zoom: 1;
}
.container:before, .container:after {
  display: table;
  content: "";
}
.container:after {
  clear: both;
}
.row {
  float: left;
  display: inline;
  position: relative;
  zoom: 1;
}
.row:before, .row:after {
  display: table;
  content: "";
}
.row:after {
  clear: both;
}
.col {
  display: inline;
  float: left;
  position: relative;
  margin: 0 10px;
}
.box-col {
  display: inline;
  float: left;
  position: relative;
}
.article {
  zoom: 1;
}
.article:before, .article:after {
  display: table;
  content: "";
}
.article:after {
  clear: both;
}
/* Start theme grid 
======================== */
.box-col.span-1 {
  width: 80px;
}
.box-col.span-2 {
  width: 160px;
}
.box-col.span-3 {
  width: 240px;
}
.box-col.span-4 {
  width: 320px;
}
.box-col.span-5 {
  width: 400px;
}
.box-col.span-6 {
  width: 480px;
}
.box-col.span-7 {
  width: 560px;
}
.box-col.span-8 {
  width: 640px;
}
.box-col.span-9 {
  width: 720px;
}
.box-col.span-10 {
  width: 800px;
}
.box-col.span-11 {
  width: 880px;
}
.box-col.span-12 {
  width: 960px;
}
.span-1 {
  width: 60px;
}
.span-2 {
  width: 140px;
}
.span-3, .one-fourth {
  width: 220px;
}
.span-4, .one-third {
  width: 300px;
}
.span-5 {
  width: 380px;
}
.span-6, .one-half, .two-fourths {
  width: 460px;
}
.span-7 {
  width: 540px;
}
.span-8, .two-thirds {
  width: 620px;
}
.span-9, .three-fourths {
  width: 700px;
}
.span-10 {
  width: 780px;
}
.span-11 {
  width: 860px;
}
.span-12, .full {
  width: 940px;
}
.pre-1 {
  margin-left: 80px;
}
.pre-2 {
  margin-left: 160px;
}
.pre-3 {
  margin-left: 240px;
}
.pre-4 {
  margin-left: 320px;
}
.pre-5 {
  margin-left: 400px;
}
.pre-6 {
  margin-left: 480px;
}
.pre-7 {
  margin-left: 560px;
}
.pre-8 {
  margin-left: 640px;
}
.pre-9 {
  margin-left: 720px;
}
.pre-10 {
  margin-left: 800px;
}
.pre-11 {
  margin-left: 880px;
}
