packer-cn/website/source/assets/stylesheets/_reset.scss

form, input, textarea, button {
  padding: 0;
  margin: 0;
  vertical-align: middle;
  border: 0;
  box-shadow: none;
  -moz-border-radius: 0;
  -webkit-border-radius: 0;
  -khtml-border-radius: 0;
  border-radius: 0;
  background-color: transparent;
  font-family: $mono;
  font-size: $base-font-size;
  line-height: 1.0;
  color: inherit;

	&:focus {
  	line-height: 1.0;
  	box-shadow: none !important;
  	outline: none;
  	vertical-align: middle;
	}
}