.pagination-link
  +shift(2)
  background-color: white
  border: 1px solid $light-gray
  border-radius: 2px
  max-width:  16.2em
  padding:
    top: .5em
    bottom: .5em
  margin:
    bottom: ($medium-margin - .18em)
    top: -.35em
  &:first-of-type
    float: left
  a
    padding:
      top: .5em
      bottom: .5em
      left: .8em
      right: .8em
    color: darken($medium-gray, 30%)
    font-size: 1.1em
    box-shadow: 0px 3px 0px rgba(#F6F6F6, .5)

.pagination-link
  +shift(2)
  background-color: white
  border: 1px solid #E5E5E5
  border-radius: 2px
  max-width:  16.2em
  padding:
    top: .5em
    bottom: .5em
  margin:
    bottom: ($medium-margin - .18em)
    top: -.35em
  &:first-of-type
    float: left
  a
    padding:
      top: .5em
      bottom: .5em
      left: .8em
      right: .8em
    color: darken($medium-gray, 30%)
    font-size: 1.1em
    box-shadow: 0px 3px 0px rgba(#F6F6F6, .5)

Adjust border of pagination button
Adjust border of pagination button

More consistency by using $light-gray
