Element block pseudo-class :active generated with padding 20px transform box-sizing content-box text-shadow 1px 1px 1px rgba(0,0,0,0.2) background box-shadow 0px 0px 0px rgba(0,0,0,0.3) cursor default margin 0px transition font-weight normal border 0px rgba(237,237,237,1) solid overflow hidden border-radius z-index auto font-size 16px position static float none line-height 1 display block width auto height 50px