// background image
@mixin bg-center ($url, $size: cover) {
  background: url($url) center center no-repeat;
  background-size: $size;
}

// reset margin, padding
@mixin resetmp () {
  margin: 0;
  padding: 0;
}

/** 超出隐藏 */
@mixin overflow-hidde($line: 1) {
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: $line;
  overflow: hidden;
}
// box shadow
@mixin box-shadow {
  box-shadow: 0px 2px 5px 1px rgba(231,230,231,0.5);
}