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