Поле ввода input как в бутстрапе (миксин SASS)

input Bootstrap

/* mixin SASS input as in bootstrap */
// input style custom
// пример: @include input($green,$black,$black,.5s);
=input($bsh: transparentize(blue, 0.3), $bdc: gray, $pl: gray, $timetransit: 0.15s)
  display: inline-block
  height: 34px
  padding: 6px 12px
  font-size: 14px
  line-height: 1.42857143
  color: #555
  background-color: #fff
  background-image: none
  border: 1px solid $bdc
  border-radius: 4px
  -webkit-box-shadow: inset 0 0 1px $bdc
  box-shadow: inset 0 0 1px $bdc
  -webkit-transition: border-color ease-in-out $timetransit, -webkit-box-shadow ease-in-out $timetransit
  -o-transition: border-color ease-in-out $timetransit, box-shadow ease-in-out $timetransit
  transition: border-color ease-in-out $timetransit, box-shadow ease-in-out $timetransit

  &:focus
    border-color: $bsh
    outline: 0
    -webkit-box-shadow: inset 0 0 1px $bdc, 0 0 8px $bsh
    box-shadow: inset 0 0 1px $bdc, 0 0 8px $bsh

  &::-moz-placeholder
    color: $pl
    opacity: 1

  &:-ms-input-placeholder
    color: $pl

  &::-webkit-input-placeholder
    color: $pl

  &::-ms-expand
    background-color: transparent
    border: 0