CSS: Clear Fix from https://github.com/nathansmith/960-Grid-System/blob/master/code/css/960_12_col.css
/* `Clear Floated Elements
----------------------------------------------------------------------------------------------------*/
/* http://sonspring.com/journal/clearing-floats */
.clear {
clear: both;
display: block;
overflow: hidden;
visibility: hidden;
width: 0;
height: 0;
}
/* http://www.yuiblog.com/blog/2010/09/27/clearfix-reloaded-overflowhidden-demystified */
.clearfix:before,
.clearfix:after,
.container_12:before,
.container_12:after {
content: '.';
display: block;
overflow: hidden;
visibility: hidden;
font-size: 0;
line-height: 0;
width: 0;
height: 0;
}
.clearfix:after,
.container_12:after {
clear: both;
}
/*
The following zoom:1 rule is specifically for IE6 + IE7.
Move to separate stylesheet if invalid CSS is a problem.
*/
.clearfix,
.container_12 {
zoom: 1;
}