test-case-app/src/views/test/index.scss

.flow {
  width: 100%;
  height: 100%;
}

.content {
  width: 100%;
  height: 100%;
  display: flex;
}

#stencil {
  width: 16%;
  height: 100%;
  position: relative;
  border-right: 1px solid rgba(0, 0, 0, 0.08);
  box-sizing: border-box;
}

.panel {
  width: 69%;
  height: 100%;
}
.panel .toolbar {
  width: 100%;
  height: 38px;
  display: flex;
  align-items: center;
  background-color: #f7f9fb;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.panel #container {
  width: 100%;
  height: calc(100% - 38px);
}

.config {
  width: 15%;
  height: 100%;
  padding: 0 10px;
  border-left: 1px solid rgba(0, 0, 0, 0.08);
  box-sizing: border-box;
}