smart-grid-g/lib/style/index.css

gantd smart-grid-g

.gant-dropbutton {
  font-weight: bold;
  font-size: 12px;
  line-height: 20px;
  display: inline-block;
  opacity: 0;
  cursor: pointer;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}
.gant-dropbutton.DefaultShow {
  opacity: 1;
}
.gant-dropbutton.SplitLine {
  border-left: 1px solid rgba(128, 128, 128, 0.2);
  padding-left: 10px;
  margin-left: 10px;
}
.gant-smart-table-wrapper:hover .gant-dropbutton {
  opacity: 1;
}