When doing things like this, you should take ie into consideration http://spaceninja.com/2015/03/31/ie-css-limits/ http://spaceninja.com/2015/03/31/ie-css-limit

When doing things like this, you should take ie into consideration http://spaceninja.com/2015/03/31/ie-css-limits/ http://spaceninja.com/2015/03/31/ie-css-limits/ Using parker (https://github.com/katiefenn/parker https://github.com/katiefenn/parker) tool to analyze the css: curl http://peterchon.github.io/mimic/css/mimic.css -s | parker -s PARKER-JS Total Stylesheets: 1 Total Stylesheet Size: 126045 Total Rules: 2551 Total Selectors: 2611 Total Identifiers: 5292 Total Declarations: 3849 Selectors Per Rule: 1.0235201881615053 Identifiers Per Selector: 2.026809651474531 Specificity Per Selector: 19.89199540405975 Top Selector Specificity: 40 Top Selector Specificity Selector: .row\:12 .col\:1 Total Id Selectors: 0 Total Unique Colors: 6 Unique Colors: #3F3F3F,#3E49FF,#45497F,#1336CC,#CFCFCF,#CCCCCC Total Important Keywords: 0 Total Media Queries: 1 Media Queries: screen and (max-width: 736px)