.sort-panel{
  width: 12px;
  height: 15px;
  display: flex;
  flex-direction: column;
  margin-right: 10px;
}
.sort-up, .sort-down{
  width: 0;
  height: 0;
  border-right: 5px solid transparent;
  border-left: 5px solid transparent;
}
.sort-up {
    border-bottom: 6px solid #2196F3;
}
.sort-down {border-top: 6px solid #C4C4C4;}

.sort-none{
  height: 5px;
  width: 100%;
}
.sort-up:hover, .sort-up-active{border-bottom: 6px solid #0397E4; cursor: pointer;}
.sort-down:hover, .sort-down-active{border-top-color: #0397E4; cursor: pointer;}