.sidebar-sec .container {
  display: flex;
}
main {
  flex-grow: 1;
  margin-right: var(--gap-col);
}
aside {
  flex-shrink: 0;
  width: 19.5rem;
}

/* +++++++++++++++++++++++++++++++
     SIDEBAR TOGGLE BOX  (#SB5458)
  ++++++++++++++++++++++++++++++++++ */
.toggle-box {
  justify-content: flex-end;
  margin-bottom: 30px;
  display: none;
  position: relative;
}
.toggle-box .tgl-btn {
  position: absolute;
  bottom: 100%;
  right: 0;
  flex-shrink: 0;
  border-radius: 100%;
  min-height: 35px;
  min-width: 35px;
  font-size: 1.1rem;
  color: var(--text-100);
  border: var(--border-dark);
  display: grid;
  place-items: center;
  transition: var(--Ltrns);
}
.toggle-box .tgl-btn:hover {
  color: var(--primary);
}

@media (max-width: 900px) {
  .toggle-box {
    display: flex;
  }
  main {
    margin-right: 0;
  }

  .sidebar-sec .container {
    display: block;
  }
}