@mixin transition($time) {

  -webkit-transition: all $time;
  -moz-transition: all $time;
  -ms-transition: all $time;
  -o-transition: all $time;
  transition: all $time;
}

@keyframes up_slide_content {
  100% { right: 0; }
}

@keyframes up_slide_content_out {
  100% { right: 100%;}
}