@media screen and (max-width: 991px) {
  .sidebar {
    display: none;
  }
}

@media screen and (max-width: 350px) {
  #atrium-banner .block-header {
    font-size: 40px;
    line-height: 50px;
  }
  #atrium-banner .block-subheader {
  	font-size: 24px;
  	line-height: 24px;
  }
}