.C_main {
  margin: 0;
  padding: 0;
  border: 0;
  box-sizing: border-box;
  color: inherit;
  scroll-behavior: smooth;
  border-spacing: 0;
  border-collapse: separate;
}

.C_main {
  width: 100%;
  height: 100%;
  display: flex;
  flex-flow: row nowrap;
  justify-content: space-between;
  background-color: rgb(65, 66, 69);
}
.C_assign_list_holder {
  width: 49.5%;
  height: 100%;
  padding-right: 0.3rem;
  padding-top: 0.3rem;
}