Element button pseudo-class :active generated with padding 20px width auto z-index auto background overflow visible font-size 16px box-sizing content-box height auto border-radius font-weight normal box-shadow 2px 2px 2px rgba(0,0,0,0.2) position static border 1px #b7b7b7 solid line-height normal cursor default margin 0px transition transform float none display inline-block text-shadow 1px 1px 0px rgba(255,255,255,0.66)