.ui-mixin-placeholder(@color){
  &::-webkit-input-placeholder {
    color: @color;
  }

  &:-moz-placeholder { /* Firefox 18- */
    color: @color;
  }

  &::-moz-placeholder {  /* Firefox 19+ */
    color: @color;
  }

  &:-ms-input-placeholder {
    color: @color;
  }
}

.ui-reset-btn {
  background: transparent;
  color: @grey-1;
  border: none;
  outline: none;
  box-shadow: none;
  margin: 0;
  padding: 0;
}