Element button pseudo-class :active generated with margin 10px transform box-sizing content-box position static font-size 16px height 25px border 4px #000000 solid padding 20px transition box-shadow 5px 5px 8px rgba(0,0,0,0.4) border-radius cursor pointer display block width 40px background z-index auto text-shadow 4px 0px 9px rgba(0,0,0,1) float left font-weight normal line-height normal overflow visible