.about-menu-box {
  margin: 0 10px 0 0;
  width: 100px;
flex: none;
}

.about-menu-inner-box {
  background-color: rgba(255, 255, 255, 0);
  border-radius: 6px;
  width: 100px;
  padding: 5px 0;
  border-width: 1px;
  border-style: solid;
  border-color: rgba(210, 218, 229, 1);
  border-radius: 8px;
  background: #fff;
}
.about-wrap {
  display: flex;
}
.about-wrap a {
  display: flex;
  height: 30px;
  align-items: center;
  justify-content: center;
  color: #333333;
  font-size: 12px;
}
.about-wrap a.selected {
  color: #fff;
  font-weight: bold;
  position: relative;
  background: #f53232;
  margin: 0 -1px;
}

.about-content-box {
  flex: 1;
  border-width: 1px;
  border-style: solid;
  border-color: rgba(210, 218, 229, 1);
  border-radius: 8px;
  background: #fff;
  padding: 20px 25px;
}