.custom-icon-up {
  height: 26px;
  width: 26px;
  background: url("https://vr.yamagishilife.co.jp/wp-content/uploads/2020/03/df6a73182e9f48b2ccf4474f6a2ff163-e1584269454352.png") no-repeat center center / auto;
  border-radius: 12px;
}

.custom-icon-dw {
  height: 26px;
  width: 26px;
  background: url("https://vr.yamagishilife.co.jp/wp-content/uploads/2020/03/b8f0a12605f7110b83303ff78139ff0f-e1584269477728.png") no-repeat center center / auto;
  border-radius: 12px;
}

.custom-icon-op {
  height: 26px;
  width: 26px;
  background: url("https://vr.yamagishilife.co.jp/wp-content/uploads/2020/03/cd255bcb73ddb755ea0ffab4d57874a6.png") no-repeat center center / auto;
  border-radius: 12px;
}