.menu-bar-mobile {
    display: -webkit-box;
    display: flex;
    background-color: #33333300;
    /* box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3); */
    position: absolute;
    top: 31px;
}
.home .menu-bar-mobile {
  top: 70px;
}
  /* nav-icon */
  .nav-icon {
    position: relative;
    width: 30px;
    height: 23px;
    margin-top: 1rem;
    margin-bottom: 1rem;
    margin-left: 2rem;
    -webkit-transform: rotate(0deg);
            transform: rotate(0deg);
    -webkit-transition: 0.2s ease-in-out;
    transition: 0.2s ease-in-out;
    cursor: pointer;
    z-index: 999;
  }
  .nav-icon.is-open span:nth-child(1) {
    width: 0%;
    top: 10px;
    left: 50%;
  }
  .nav-icon.is-open span:nth-child(2) {
    -webkit-transform: rotate(45deg);
            transform: rotate(45deg);
  }
  .nav-icon.is-open span:nth-child(3) {
    -webkit-transform: rotate(-45deg);
            transform: rotate(-45deg);
  }
  .nav-icon.is-open span:nth-child(4) {
    width: 0%;
    top: 10px;
    left: 50%;
  }
  
  .nav-icon span {
    position: absolute;
    left: 0;
    height: 3px;
    width: 100%;
    background: #ffff;
    -webkit-transform: rotate(0deg);
            transform: rotate(0deg);
    -webkit-transition: 0.1s ease-in-out;
    transition: 0.1s ease-in-out;
    opacity: 1;
  }
  .nav-icon span:nth-child(1) {
    top: 0px;
  }
  .nav-icon span:nth-child(2), .nav-icon span:nth-child(3) {
    top: 10px;
  }
  .nav-icon span:nth-child(4) {
    top: 20px;
  }
  
  /* basic */
  .display--row {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
            flex-direction: row;
  }
  
  .display--col {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
            flex-direction: column;
  }
  
  /* nav */
  .menu-bar {
    position: relative;
    text-transform: uppercase;
    color: #fff;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
    font-family: 'Montserrat', sans-serif;
    font-weight: bold;
    z-index: 999;
  }
  
  .nav-list {
    display: -webkit-box;
    display: flex;
    flex-wrap: nowrap;
    margin: 0;
    padding-top: 12px;
    padding-left: 0;
    background-color: #999999;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
    list-style: none;
    letter-spacing: 0.2em;
    cursor: pointer;
  }
  
  .nav-list__item {
    -webkit-box-flex: 0;
            flex-grow: 0;
    flex-shrink: 0;
    flex-basis: auto;
    min-width: 180px;
    position: relative;
    padding-top: 1rem;
    padding-bottom: 1rem;
    cursor: pointer;
  }
  .nav-list__item::before, .nav-list__item::after {
    content: '';
    position: absolute;
    display: block;
    width: 100%;
    height: 1px;
  }
  .nav-list__item::before {
    top: 0;
    background-color: #a6a6a6;
  }
  .nav-list__item::after {
    bottom: 0;
    background-color: #8c8c8c;
  }
  .nav-list__item:hover {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    background-color: #595959;
  }
  .nav-list__item--subnav {
    position: absolute;
    top: 100%;
    left: 0;
    display: none;
    width: 0;
    list-style: none;
    color: inherit;
    background-color: #404040;
    z-index: 1;
  }
  .nav-list__item--subnav.is-display {
    display: block;
    width: 100%;
    -webkit-transition: all 0.8s ease;
    transition: all 0.8s ease;
  }
  .nav-list__item--link {
    text-decoration: none;
    color: inherit;
  }
  
  .subnav__item {
    margin: 0;
    padding-top: 1rem;
    padding-bottom: 1rem;
    border-top: 1px solid #333333;
    text-transform: none;
    letter-spacing: 0.01em;
  }
  .subnav__item:hover {
    background-color: #262626;
  }
  
  .nav-link__text {
    margin-left: 2rem;
    margin-right: 2rem;
    text-decoration: none;
    color: inherit;
  }
  
  /* responsive */
  @media screen and (max-width: 599px) {
    .display--col {
      -webkit-box-orient: vertical;
      -webkit-box-direction: normal;
              flex-direction: column;
      text-align: center;
    }
  
    .nav-list--hide {
      display: none;
    }
  
    .nav-list.is-open {
      display: block;
    }
  
    .nav-list__item::before, .nav-list__item::after {
      left: 0;
    }
  }
  @media screen and (min-width: 600px) and (max-width: 999px) {
    .nav-list--hide {
      position: fixed;
      height: 100%;
      width: 50%;
      display: none;
    }
  
    .nav-list.is-open {
      display: block;
    }
  
    .nav-list__item::before, .nav-list__item::after {
      left: 0;
    }
  }
  @media screen and (min-width: 1000px) {
    .display--row {
      -webkit-box-orient: horizontal;
      -webkit-box-direction: normal;
              flex-direction: row;
      text-align: center;
    }
  
    .nav-icon {
      display: none;
    }
  
    .nav-list__item::before, .nav-list__item::after {
      top: 0;
      width: 1px;
      height: 100%;
    }
    .nav-list__item::before {
      left: 0;
    }
    .nav-list__item::after {
      right: 0;
    }
  
    .align-to--right {
      margin-left: auto;
    }
  }
  /**
  *https://codepen.io/druArt/pen/VbVjxx
  */
  @media screen and (min-width: 1000px) {
    .nav-icon {
      display: inline-block;
    }
  }
  .nav-icon.is-open span {
    background-color: #fbfbfb;
  }
  
  /**
   *demo slide bar
   */
  .svg-scalable {
    display: block;
    width: 100%;
    height: 100%;
    max-height: 100%;
  }
  
  .overflow-hidden {
    overflow: hidden;
    cursor: pointer;
  }
  
  .overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    -webkit-transition: all 0.3s ease-in-out;
    transition: all 0.3s ease-in-out;
  }
  .overlay.is-active {
    opacity: 0.8;
    visibility: visible;
  }
  
 
.slide-bar {

    position: absolute;
    top: -10px;
    left: -25px;
    display: -webkit-box;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    flex-direction: column;
    width: 40vw;
    max-width: 512px;
    height: 102vh;
    box-shadow: 2px 0 4px rgba(0, 0, 0, 0.3);
    font-family: 'Montserrat', sans-serif;
    opacity: 0;
    overflow: hidden;
    -webkit-transform: translateX(-110%);
            transform: translateX(-110%);
    -webkit-transition: all 0.8s cubic-bezier(0, 0, 0.3, 1);
    transition: all 0.8s cubic-bezier(0, 0, 0.3, 1);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);

  }
.industrial_doctorate_page .slide-bar{
       display: none;
}
.aboutpage nav.slide-bar.is-open ,.whyus nav.slide-bar.is-open {
  position: absolute;
  top: -35px;
  left: -375px;
}
.courses_page    nav.slide-bar.is-open  {
  position: absolute;
  top: -35px;
  left: -15px;
}
.contact_page nav.slide-bar.is-open {
  position: absolute;
  top: -35px;
  left: -35px;
}
.industrial_doctorate_page nav.slide-bar.is-open {
       display: block;
}
.courses_page .sbh__avatar , .contact_page .sbh__avatar, .placement_page .sbh__avatar{
  right: 0!important;
}

  .slide-bar.is-open {
    min-width: 320px;
    -webkit-transform: translateX(0);
            transform: translateX(0);
    opacity: 1;
    z-index: 99;
  }
  .slide-bar.is-open .nav-list__item:nth-child(1) {
    opacity: 1;
    -webkit-transform: translateX(0);
            transform: translateX(0);
    -webkit-transition-delay: 0.18s;
            transition-delay: 0.18s;
  }
  .slide-bar.is-open .nav-list__item:nth-child(2) {
    opacity: 1;
    -webkit-transform: translateX(0);
            transform: translateX(0);
    -webkit-transition-delay: 0.36s;
            transition-delay: 0.36s;
  }
  .slide-bar.is-open .nav-list__item:nth-child(3) {
    opacity: 1;
    -webkit-transform: translateX(0);
            transform: translateX(0);
    -webkit-transition-delay: 0.54s;
            transition-delay: 0.54s;
  }
  .slide-bar.is-open .nav-list__item:nth-child(4) {
    opacity: 1;
    -webkit-transform: translateX(0);
            transform: translateX(0);
    -webkit-transition-delay: 0.72s;
            transition-delay: 0.72s;
  }
  .slide-bar.is-open .nav-list__item:nth-child(5) {
    opacity: 1;
    -webkit-transform: translateX(0);
            transform: translateX(0);
    -webkit-transition-delay: 0.9s;
            transition-delay: 0.9s;
  }
  .slide-bar.is-open .nav-list__item:nth-child(6) {
    opacity: 1;
    -webkit-transform: translateX(0);
            transform: translateX(0);
    -webkit-transition-delay: 1.08s;
            transition-delay: 1.08s;
  }
  .slide-bar.is-open .nav-list__item:nth-child(7) {
    opacity: 1;
    -webkit-transform: translateX(0);
            transform: translateX(0);
    -webkit-transition-delay: 1.26s;
            transition-delay: 1.26s;
  }
  .slide-bar.is-open .nav-list__item:nth-child(8) {
    opacity: 1;
    -webkit-transform: translateX(0);
            transform: translateX(0);
    -webkit-transition-delay: 1.44s;
            transition-delay: 1.44s;
  }
  .slide-bar.is-open .nav-list__item:nth-child(9) {
    opacity: 1;
    -webkit-transform: translateX(0);
            transform: translateX(0);
    -webkit-transition-delay: 1.62s;
            transition-delay: 1.62s;
  }
  .slide-bar.is-open .nav-list__item:nth-child(10) {
    opacity: 1;
    -webkit-transform: translateX(0);
            transform: translateX(0);
    -webkit-transition-delay: 1.62s;
            transition-delay: 1.62s;
  }
  .slide-bar.is-open .nav-list__item:nth-child(11) {
    opacity: 1;
    -webkit-transform: translateX(0);
            transform: translateX(0);
    -webkit-transition-delay: 1.62s;
            transition-delay: 1.62s;
  }
  .slide-bar.is-open .nav-list__item:nth-child(12) {
    opacity: 1;
    -webkit-transform: translateX(0);
            transform: translateX(0);
    -webkit-transition-delay: 1.62s;
            transition-delay: 1.62s;
  }
    .slide-bar.is-open .nav-list__item:nth-child(13) {
    opacity: 1;
    -webkit-transform: translateX(0);
            transform: translateX(0);
    -webkit-transition-delay: 1.62s;
            transition-delay: 1.62s;
  }
  .slide-bar.is-open .sbh__avatar {
    opacity: 1;
    -webkit-transform: translateY(0);
            transform: translateY(0);
            padding: 0;
  }
  .slide-bar.is-open .sbh__dynmic-title,
  .slide-bar.is-open .sbh__dynmic-text {
    opacity: 1;
    -webkit-transform: translateY(0);
            transform: translateY(0);
  }
  
  .sb__header {
    position: relative;
    width: 100%;
    height: 100%;
    background: #4e5171;
}
  
  .sbh__dynmic-title {
    display: block;
    position: absolute;
    bottom: 80px;
    width: 100%;
    text-align: center;
    color: #aaa;
    font-weight: lighter;
  }
  .sbh__dynmic-title span {
    font-weight: bold;
    font-size: 1.1em;
    color: #fbfbfb;
  }
  
  .sbh__dynmic-text {
    display: block;
    position: absolute;
    bottom: 60px;
    width: 100%;
    text-align: center;
    color: #979797;
    font-weight: lighter;
  }
  .sbh__dynmic-text span {
    font-weight: bold;
    font-size: 1.1em;
    color: #fbfbfb;
  }
  
  .sbh__dynmic-title,
  .sbh__dynmic-text {
    opacity: 0;
    -webkit-transform: translateY(-60px);
            transform: translateY(-60px);
    -webkit-transition: all 1.2s ease;
    transition: all 1.2s ease;
  }
  
  .sbh__avatar {
    position: absolute;
    top: 30px;
    right: 30px;
    width: 200px;
    display: flex;
    height: auto;
    background-color: white;
    /* border-radius: 50%; */
    padding: 14px;
    border: 3px solid rgba(0, 0, 0, 0.1);
    box-shadow: 2px 8px rgba(0, 0, 0, 0.12);
    opacity: 0;
    -webkit-transform: translateY(100px);
    transform: translateY(100px);
    -webkit-transition: all 1.2s ease;
    transition: all 1.2s ease;
    border-radius: 100px;
}
.whyus .sbh__avatar{
    right: inherit;
}
  .sbh__avatar::before, .sbh__avatar::after {
    content: '';
    position: absolute;
    left: 50%;
    -webkit-transform: translateX(-50%);
            transform: translateX(-50%);
    background-color: rgba(0, 0, 0, 0.1);
  }
  /* .sbh__avatar::before {
    top: 10px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
  }
  .sbh__avatar::after {
    top: 64px;
    width: 70px;
    height: 44px;
    border-radius: 100%;
    border-top-left-radius: 86%;
    border-top-right-radius: 86%;
  } */
  .sb__content {
    width: 100%;
    -webkit-box-flex: 1;
    flex-grow: 1;
    background-color: #4d4d4d00;
    font-weight: bold;
    /*overflow-y: auto;*/
    position: absolute;
    top: 16%;
    /*height: 90vh;*/
    z-index: -1;
}
.sb__content .nav-list{
    height: 87vh;
    overflow-y: scroll;
    width: 87%;
}
nav.slide-bar.is-open .sb__content {
  z-index: 9;
}
  .nav-list {
    display: block;
    background-color: #4d4d4d00;
    box-shadow: none;
    list-style: none;
    cursor: pointer;
  }
  
  .nav-list__item {
    position: relative;
    padding-top: 0;
    padding-bottom: 0;
    font-size: 18px;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    opacity: 0;
    -webkit-transform: translateX(-60px);
            transform: translateX(-60px);
    -webkit-transition: all 0.8s ease;
    transition: all 0.8s ease;
  }
  .nav-list__item::before, .nav-list__item::after {
    background-color: transparent !important;
  }
  .nav-list__item:first-child {
    margin-top: 1rem;
    z-index: 99;
  }
  .nav-list__item:hover, .nav-list__item:focus {
    background-color: #2e2e2e;
    padding-left: 1.2rem;
  }
.nav-list__item a {
    padding: 1rem;
    padding: 10px 0;
    width: 100%;
    display: inline-block;
    font-size: 16px;
}
  .subnav-list {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    margin: 0;
    padding: 0;
    list-style: none;
    color: inherit;
    background-color: #404040;
    -webkit-transform: translateX(-100%);
            transform: translateX(-100%);
    -webkit-transition: -webkit-transform 0.8s ease-in-out;
    transition: -webkit-transform 0.8s ease-in-out;
    transition: transform 0.8s ease-in-out;
    transition: transform 0.8s ease-in-out, -webkit-transform 0.8s ease-in-out;
    z-index: 9999;
  }
  .subnav-list.is-display {
    -webkit-transform: translateX(0);
            transform: translateX(0);
  }
  
  .subnav-list__item {
    margin: 0;
    padding-top: 1rem;
    padding-bottom: 1rem;
    border-top: 1px solid #333333;
    text-transform: none;
  }
  .subnav-list__item:hover {
    background-color: #262626;
  }
  
  .nav-link__text {
    position: relative;
    text-decoration: none;
    color: inherit;
  }
  
  .nav-link-icon {
    position: absolute;
    top: 50%;
    left: 105%;
    -webkit-transform: translateY(-50%);
            transform: translateY(-50%);
    width: 30px;
    height: 30px;
    cursor: pointer;
  }
  
  .nav-link-icon__bar {
    display: inline-block;
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
            transform: translate(-50%, -50%);
    height: 3px;
    width: 11px;
    background-color: transparent;
  }
  .nav-link-icon__bar::before, .nav-link-icon__bar::after {
    display: block;
    position: absolute;
    content: "";
    height: 3px;
    width: 11px;
    background-color: #fbfbfb;
    -webkit-transition: all 0.4s linear;
    transition: all 0.4s linear;
  }
  .nav-link-icon__bar::before {
    top: 100%;
    -webkit-transform: rotate(315deg);
            transform: rotate(315deg);
  }
  .nav-link-icon__bar::after {
    bottom: 100%;
    -webkit-transform: rotate(-315deg);
            transform: rotate(-315deg);
  }
  
  .nav-link-icon.is-open .nav-link-icon__bar {
    background-color: none;
    z-index: 999;
  }
  .nav-link-icon.is-open .nav-link-icon__bar::before, .nav-link-icon.is-open .nav-link-icon__bar::after {
    width: 11px;
  }
  .nav-link-icon.is-open .nav-link-icon__bar::before {
    -webkit-transform: rotate(45deg);
            transform: rotate(45deg);
  }
  .nav-link-icon.is-open .nav-link-icon__bar::after {
    -webkit-transform: rotate(-45deg);
            transform: rotate(-45deg);
  }
  
  .wrap-btn {
    display: -webkit-box;
    display: flex;
    -webkit-box-pack: center;
            justify-content: center;
    -webkit-box-align: center;
            align-items: center;
    width: 40px;
    height: 30px;
    margin: 1rem;
    cursor: pointer;
    z-index: 9;
  }
  
  .tools-btn {
    position: absolute;
    right: calc(50% - $minibtn-basis-zise / 2);
    display: block;
    width: 5px;
    height: 5px;
    background-color: rgba(0, 0, 0, 0.3);
    -webkit-transition: -webkit-transform 0.2s ease-in-out;
    transition: -webkit-transform 0.2s ease-in-out;
    transition: transform 0.2s ease-in-out;
    transition: transform 0.2s ease-in-out, -webkit-transform 0.2s ease-in-out;
  }
  .sb__footer:hover .tools-btn {
    -webkit-transform: rotate(90deg);
            transform: rotate(90deg);
  }
  .tools-btn::before, .tools-btn::after {
    content: "";
    position: absolute;
    right: 0;
    width: 5px;
    height: 5px;
    background-color: rgba(0, 0, 0, 0.3);
  }
  .tools-btn::before {
    bottom: 8px;
  }
  .tools-btn::after {
    top: 8px;
  }
  
  .sb__footer {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60px;
    cursor: pointer;
    background-color: #fff;
    overflow: hidden;
  }
  .sb__footer:hover {
    height: 140px;
    -webkit-transition: height 0.2s ease-in-out;
    transition: height 0.2s ease-in-out;
    z-index: 99;
  }
  .sb__footer:hover .wrap-icon {
    visibility: visible;
    opacity: 1;
  }
  
  .sbf__nav {
    position: absolute;
    bottom: 0;
    left: 0;
    display: -webkit-box;
    display: flex;
    -webkit-box-pack: start;
            justify-content: flex-start;
    -webkit-box-align: center;
            align-items: center;
    flex-wrap: wrap;
    width: 100%;
    height: 80px;
    margin: 0;
    padding: 0;
    list-style: none;
    text-align: left;
    -webkit-transition: height 0.6s cubic-bezier(0, 0, 0.3, 1);
    transition: height 0.6s cubic-bezier(0, 0, 0.3, 1);
  }
  
  /**
   *demo button
   */
  .wrap-icon {
    position: relative;
    -webkit-box-flex: 0;
            flex-grow: 0;
    flex-shrink: 0;
    flex-basis: auto;
    width: 33.33%;
    height: 80px;
    margin: 0;
    padding: 0;
    background-color: rgba(0, 0, 0, 0.1);
    text-decoration: none;
    padding: 1rem;
    visibility: hidden;
    opacity: 0;
    -webkit-transition: opacity 0.6s ease-in-out;
    transition: opacity 0.6s ease-in-out;
  }
  .wrap-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    -webkit-transform: translateX(-50%);
            transform: translateX(-50%);
    width: 0;
    height: 0;
    background-color: rgba(0, 0, 0, 0);
    -webkit-transition: width 0.3s ease-in-out;
    transition: width 0.3s ease-in-out;
  }
  .wrap-icon:hover {
    background-color: rgba(255, 255, 255, 0.1);
    -webkit-transition: background 0.6s cubic-bezier(0, 0, 0.3, 1);
    transition: background 0.6s cubic-bezier(0, 0, 0.3, 1);
  }
  .wrap-icon:hover::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    -webkit-transform: translateX(-50%);
            transform: translateX(-50%);
    width: 100%;
    height: 10px;
    background-color: rgba(0, 0, 0, 0.3);
  }
  
  .icon-btn--one {
    border-top: 2px solid #aaa;
    border-bottom: 2px solid #aaa;
    border-left: 2px solid #aaa;
    border-right: 2px solid #aaa;
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
            transform: translate(-50%, -50%);
    width: 40px;
    height: 30.7692307692px;
    background-color: transparent;
  }
  .icon-btn--one::before, .icon-btn--one::after {
    content: '';
    position: absolute;
  }
  .icon-btn--one::before {
    border-top: 0 solid #aaa;
    border-bottom: 2px solid #aaa;
    border-left: 0 solid #aaa;
    border-right: 2px solid #aaa;
    top: 0;
    left: 0;
    width: 12px;
    height: 12px;
  }
  .icon-btn--one::after {
    border-top: 2px solid #aaa;
    border-bottom: 2px solid #aaa;
    border-left: 0 solid #aaa;
    border-right: 0 solid #aaa;
    bottom: 10px;
    right: 4px;
    width: 14px;
    height: 8px;
  }
  header .show-hidden-menu6 {
    background: transparent!important;
    box-shadow: none;
    width: 100%;
    padding: 0;
    text-align: left!important;
    padding: 8px 0;
    width: 100%!important;
    display: inline-block;
    font-size: 16px;
    margin-left: 2rem;
}
header .hidden-menu6{
  display: none;
}
header .hidden-menu6 a {
    color: #98f3ff;
    font-size: 14px;
}