Adds a height utility class

Backports EE changes

app/assets/stylesheets/framework/common.scss

@@ -438,6 +438,7 @@ img.emoji {
 .w-3rem { width: 3rem; }
 
 .h-12em { height: 12em; }
+.h-32-px { height: 32px;}
 
 .mw-460 { max-width: 460px; }
 .mw-6em { max-width: 6em; }