@media (min-width: 992px) {
  .section-l {
    width: calc(100% - 250px);
    float: right;
    margin-top: 1rem;
    padding-top: 40px;
    background-color: var(--color-bg);
  }
}

@media (max-width: 991px) {
  .section-l {
    width: 100%;
    float: none;
    position: relative;
    margin-top: 6rem;
    padding-top: 90px;
    background-color: var(--color-bg);
  }
}