.m-border__style1::before,
.m-border__style2::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 60%;
  height: 10px;
  background-color: var(--v-color__2);
}

.m-border__style2::before {
  right: auto;
  left: 0;
}