Element block pseudo-class :active generated with border-radius padding 20px transition box-sizing content-box overflow hidden display block margin 0px width 160px line-height 1 font-size 16px transform height auto z-index auto box-shadow 1px 1px 1px rgba(0,0,0,0.3) cursor default float none position static border 0px rgba(0,0,0,1) solid font-weight normal text-shadow 1px 1px 1px rgba(0,0,0,0.2) background