/* A geometric plus stays centered independently of the Korean font baseline. */
.learn-add.game-skill-empty > .grade{position:relative;display:inline-block;flex:0 0 30px;width:30px;height:30px;min-width:30px;padding:0;margin:0;line-height:0;font-size:0;border-radius:50%;box-sizing:border-box;background:linear-gradient(currentColor,currentColor) center / 16px 2px no-repeat,linear-gradient(currentColor,currentColor) center / 2px 16px no-repeat}