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