A comparison of CSS library sizes.

## css-comparison.csv

          
            Name
            Version
            Size (uncompressed)
            Size (minified)
            Size (gzipped)
            URL

            
              Bootstrap
              v3.3.7
              143 KB
              117 KB
              20 KB
              http://getbootstrap.com/css/

            
              Bootstrap
              v4.0.0
              187 KB
              147 KB
              20 KB
              https://v4-alpha.getbootstrap.com/

            
              Materialize
              v3.0 
              114 KB
              90 KB
              18 KB
              http://materializecss.com/

            
              Material Design Lite
              v1.3.0
              350 KB
              137 KB
              21 KB
              https://getmdl.io/

            
              mini.css
              v2.1
              47 KB
              36 KB
              7 KB
              https://chalarangelo.github.io/mini.css/

            
              Semantic UI
              v2.2.6
              730 KB
              550 KB
              95 KB
              https://semantic-ui.com/

            
              Foundation
              v3.0
              90 KB
              64 KB
              12 KB
              http://foundation.zurb.com/

            
              Pure CSS
              v0.6.2
              80 KB
              17 KB
              3.8 KB
              https://purecss.io/

            
              Picnic CSS
              v6.3.2
              55 KB
              38 KB
              7 KB
              https://picnicss.com

            
              Milligram
              v1.3.0
              10 KB
              8 KB
              2 KB
              https://milligram.github.io/
Name	Version	Size (uncompressed)	Size (minified)	Size (gzipped)	URL
Bootstrap	v3.3.7	143 KB	117 KB	20 KB	http://getbootstrap.com/css/
Bootstrap	v4.0.0	187 KB	147 KB	20 KB	https://v4-alpha.getbootstrap.com/
Materialize	v3.0	114 KB	90 KB	18 KB	http://materializecss.com/
Material Design Lite	v1.3.0	350 KB	137 KB	21 KB	https://getmdl.io/
mini.css	v2.1	47 KB	36 KB	7 KB	https://chalarangelo.github.io/mini.css/
Semantic UI	v2.2.6	730 KB	550 KB	95 KB	https://semantic-ui.com/
Foundation	v3.0	90 KB	64 KB	12 KB	http://foundation.zurb.com/
Pure CSS	v0.6.2	80 KB	17 KB	3.8 KB	https://purecss.io/
Picnic CSS	v6.3.2	55 KB	38 KB	7 KB	https://picnicss.com
Milligram	v1.3.0	10 KB	8 KB	2 KB	https://milligram.github.io/