button-emboss(col = #111, w = 100px, p = 10px)
display block
overflow hidden
background-color transparent
color col
width w
padding p
box-shadow inset 1px 1px 2px rgba(0, 0, 0, .5), inset -1px -1px 2px rgba(255, 255, 255, .7)
border-radius 3px
transition all ease .3s
&:hover
text-decoration none
box-shadow 1px 1px 3px rgba(0, 0, 0, .4)