@media only screen and (min-width: 1200px) {
  body.layout-mode-responsive .visible-large {
    display: inherit !important;
  }
  body.layout-mode-responsive .hidden-large {
    display: none !important;
  }
  body.layout-mode-responsive .visible-desktop {
    display: inherit !important;
  }
  body.layout-mode-responsive .hidden-desktop {
    display: none !important;
  }
}
@media only screen and (min-width: 960px) and (max-width: 1199px) {
  body.layout-mode-responsive .astro-tn img {
    width: 150px !important;
  }
  body.layout-mode-responsive .visible-large {
    display: none !important;
  }
  body.layout-mode-responsive .hidden-large {
    display: inherit !important;
  }
  body.layout-mode-responsive .visible-desktop {
    display: inherit !important;
  }
  body.layout-mode-responsive .hidden-desktop {
    display: none !important;
  }
  body.layout-mode-responsive .promo h1 {
    font-size: 3.7em;
  }
  body.layout-mode-responsive .promo p {
    font-size: 1.3em;
  }
  body.layout-mode-responsive .promo-image {
    width: 40%;
  }
  body.layout-mode-responsive .promo-image img {
    max-width: 100%;
  }
}
@media (min-width: 768px) and (max-width: 959px) {
  body.layout-mode-responsive .astro-tn img {
    width: 120px !important;
  }
  body.layout-mode-responsive .astro-tn h3 {
    font-size: 15px !important;
  }
  body.layout-mode-responsive #rt-header .gf-menu.l1 > li > .item {
    font-size: 13px !important;
  }
  body.layout-mode-responsive .gf-menu li.parent > .item {
    padding-right: 22px !important;
  }
  body.layout-mode-responsive .gf-menu .item {
    padding: 4px 4px !important;
  }
  body.layout-mode-responsive .visible-tablet {
    display: inherit !important;
  }
  body.layout-mode-responsive .hidden-tablet {
    display: none !important;
  }
  body.layout-mode-responsive .hidden-desktop {
    display: inherit !important;
  }
  body.layout-mode-responsive .visible-desktop {
    display: none !important;
  }
  body.layout-mode-responsive .visible-large {
    display: none !important;
  }
  body.layout-mode-responsive .hidden-large {
    display: inherit !important;
  }
  body.layout-mode-responsive .promo-image {
    width: 38%;
  }
  body.layout-mode-responsive .promo-image img {
    max-width: 100%;
  }
  body.layout-mode-responsive .promo h1 {
    font-size: 2.9em;
  }
  body.layout-mode-responsive .promo p {
    font-size: 1.1em;
  }
  body.layout-mode-responsive .promo-desc {
    padding-top: 0;
  }
}
@media (max-width: 767px) {
  body.layout-mode-responsive {
    padding: 0;
  }
  body.layout-mode-responsive .visible-phone {
    display: inherit !important;
  }
  body.layout-mode-responsive .hidden-phone {
    display: none !important;
  }
  body.layout-mode-responsive .hidden-desktop {
    display: inherit !important;
  }
  body.layout-mode-responsive .visible-desktop {
    display: none !important;
  }
  body.layout-mode-responsive .hidden-large {
    display: inherit !important;
  }
  body.layout-mode-responsive .visible-large {
    display: none !important;
  }
  body.layout-mode-responsive #rt-logo {
    margin: 0 auto;
    background: url(/images/ask_an_astronomer_logo_mobile.png) 50% 0 no-repeat !important;
    width: 300px;
  }
  body.layout-mode-responsive .logo-block {
    margin: 10px 0 0 !important;
  }
  body.layout-mode-responsive #mod-finder-searchword {
    font-size: 18px;
  }
  body.layout-mode-responsive .layout-mode-responsive .gf-menu-device-wrapper-sidemenu {
    background: #2F2A30 !important;
  }
  body.layout-mode-responsive #rt-showcase:after {
    content: none !important;
  }
  body.layout-mode-responsive .layout-mode-responsive .gf-menu.l1 > li {
    float: left !important;
  }
  body.layout-mode-responsive .component-content .column-1,
  body.layout-mode-responsive .component-content .column-2,
  body.layout-mode-responsive .component-content .column-3,
  body.layout-mode-responsive .component-content .column-4 {
    width: 100% !important;
    float: none !important;
    margin: 0 !important;
  }
  body.layout-mode-responsive #gantry-totop {
    margin: 0 auto;
    text-align: center;
    width: 100%;
  }
  body.layout-mode-responsive .gantry-width-20,
  body.layout-mode-responsive .gantry-width-25,
  body.layout-mode-responsive .gantry-width-30,
  body.layout-mode-responsive .gantry-width-33,
  body.layout-mode-responsive .gantry-width-40,
  body.layout-mode-responsive .gantry-width-50,
  body.layout-mode-responsive .gantry-width-60,
  body.layout-mode-responsive .gantry-width-66,
  body.layout-mode-responsive .gantry-width-70,
  body.layout-mode-responsive .gantry-width-75,
  body.layout-mode-responsive .gantry-width-80 {
    width: 100%;
  }
  body.layout-mode-responsive .gantry-width-spacer {
    margin: 5px;
  }
  body.layout-mode-responsive .row {
    margin: 0;
    display: block;
  }
  body.layout-mode-responsive .row .cell {
    display: block;
    width: 100%;
  }
  body.layout-mode-responsive .form-horizontal .control-group .control-label {
    float: none;
    width: auto;
    text-align: left;
  }
  body.layout-mode-responsive .form-horizontal .control-group .controls {
    margin-left: 0;
  }
  body.layout-mode-responsive select {
    width: 100%;
  }
}
@media only screen and (min-width: 481px) and (max-width: 767px) {
  #rt-showcase {
    height: 200px !important;
    background-position: center -111px !important;
  }
  #rt-showcase-pattern {
    height: 200px !important;
  }
  #rt-showcase .rt-block {
    top: 0 !important;
  }
  .logo-block {
    margin: 10px 0 0 !important;
  }
  .promo-image {
    width: 48%;
    margin-top: 0;
    margin-bottom: 0;
  }
  .promo-image img {
    max-width: 100%;
  }
  .promo h1 {
    font-size: 2.2em;
  }
  .promo p {
    font-size: 1em;
  }
  .promo-desc {
    padding-top: 0;
  }
}
@media only screen and (max-width: 480px) {
  #rt-showcase {
    height: 200px !important;
    background-position: center -111px !important;
  }
  #rt-showcase-pattern {
    height: 200px !important;
  }
  #rt-showcase .rt-block {
    top: 0 !important;
  }
  .logo-block {
    margin: 10px 0 0 !important;
  }
  #rt-mainbody span.tnl,
  #rt-mainbody  span.tnr {
    float: none !important;
    margin: 0 auto 15px !important;
  }
  .promo-image {
    margin: 0 auto;
    width: 100%;
    float: none;
    text-align: center;
  }
  .promo-image img {
    max-width: 50%;
  }
  .promo h1 {
    font-size: 2.2em;
  }
  .promo p {
    font-size: 0.9em;
  }
  .promo-desc {
    padding-top: 0;
  }
}
