frontend/src/components/ReturnIconButton.vue

<template>
  <button>&#xe714;</button>
</template>

<script>
export default {}
</script>

<style lang="scss" scoped>
@import "~@/common/button-common.scss";
button {
  font-family: 'iconfont', sans-serif;
  font-size: 34px;
  user-select: none;
  width: 50px;
  height: 50px;
  border-radius: 100px;
}
</style>