nav .fa {
    display: none;
  }

  @media (max-width: 700px) {
    .text-box h1 {
      font-size: 20px;
    }

    .nav-links ul li {
      display: block;
    }

    .nav-links {
      position: absolute;
      background: #f44336;
      height: 100vh;
      width: 200px;
      top: 0;
      right: -200px;
      text-align: left;
      z-index: 2;
      transition: 1s;
    }

    nav .fa {
      display: block;
      color: #fff;
      margin: 10px;
      font-size: 22px;
      cursor: pointer;
    }

    .nav-links ul {
      padding: 30px;
    }
  }

  * {
    padding: 0;
    margin: 0;
    font-family: 'poppins', sans-serif;
    font-optical-sizing: auto;
    font-weight: weight;
    font-style: normal;
  }


  .header {
    min-height: 100vh;
    width: 100%;
    background-image: linear-gradient(rgba(4, 9, 30, 0.7), rgba(4, 9, 30, 0.7)), url(images/dcu\ school.jpg);
    background-position: center;
    background-size: cover;
    position: relative;

  }

  nav {
    display: flex;
    padding: 2% 6%;
    justify-content: space-between;
    align-items: center;
  }

  nav img {
    width: 150px;
  }

  .nav-links {
    float: 1;
    text-align: right;

  }

  .nav-links ul li {
    list-style: none;
    display: inline-block;
    padding: 9px 17px;
    position: relative;

  }

  .nav-links ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 13px;

  }

  .nav-links ul li::after {
    content: '';
    width: 0;
    height: 2px;
    background: #f44336;
    display: block;
    margin: auto;
    transition: 0.6s;
    position: fixed;
  }

  .nav-links ul li:hover::after {
    width: 50px;
  }

  .text-box {
    width: 90%;
    color: #fff;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
  }

  .text-box h1 {
    font-size: 62px;

  }

  .text-box p {
    margin: 10px 0 40px;
    font-size: 15px;
    color: #fff;

  }

  .hero-btn {
    display: inline-block;
    text-decoration: none;
    color: #fff;
    border: 1px solid #fff;
    padding: 12px 34px;
    font-size: 13px;
    background: transparent;
    position: relative;
    cursor: pointer;
  }

  .hero-btn:hover {
    border: 1px solid #f44336;
    background: #f44336;
    transition: 1s;

  }

  /* courses section */

  .course {
    width: 80%;
    margin: auto;
    text-align: center;
    padding-top: 100px;
  }

  h1 {
    font-size: 36px;
    font-weight: 600;

  }

  p {
    color: #777;
    font-size: 14px;
    font-weight: 300;
    line-height: 22px;
    padding: 10px;

  }

  .row {
    margin-top: 5%;
    display: flex;
    justify-content: space-between;

  }

  .course-col {
    flex-basis: 31%;
    background: #fff3f3;
    border-radius: 10px;
    margin-top: 5%;
    padding: 20px 12px;
    box-sizing: border-box;
    transition: 0.5s;
  }

  h3 {
    text-align: center;
    font-weight: 600;
    margin: 10px 0;

  }

  .course-col:hover {
    box-shadow: 0 0 20px 0 rgb(0, 0, 0, 0.2);
  }

  @media(max-width: 700px) {
    .row {
      flex-direction: column;
    }
  }


  /* campus section */

  .campus {
    width: 80%;
    margin: auto;
    text-align: center;
    padding-top: 50px;

  }

  .campus-col {
    flex-basis: 32%;
    border-radius: 10px;
    margin-top: 30px;
    position: relative;
    overflow: hidden;
  }

  .campus-col img {
    width: 100%;
    display: block;
  }

  .layer {
    background: transparent;
    height: 100%;
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
    transition: 0.5s;

  }

  .layer:hover {
    background: rgba(226, 0, 0, 0.7);
  }

  .layer h3 {
    width: 100%;
    font-weight: 500;
    color: #fff;
    font-size: 26px;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    position: absolute;
    opacity: 0;
    transition: 0.5s;
  }

  .layer:hover h3 {
    bottom: 49%;
    opacity: 1;
  }

  /* Facilities */

  .facilities {
    width: 80%;
    margin: auto;
    text-align: center;
    padding-top: 100px;

  }

  .facilities-col {
    flex-basis: 31%;
    border-radius: 10px;
    margin-bottom: 5%;
    text-align: left;

  }

  .facilities-col img {
    width: 100%;
    border-radius: 10px;

  }

  .facilities-col p {
    padding: 0;

  }

  .facilities-col h3 {
    margin-top: 16px;
    margin-bottom: 15px;
    text-align: left;

  }

  /*      testimonials      */
  .testimonials {
    width: 80%;
    margin: auto;
    padding-top: 100px;
    text-align: center;

  }

  .testimonial-col {
    flex-basis: 44%;
    border-radius: 10px;
    margin-bottom: 5%;
    text-align: left;
    background: #fff3f3;
    padding: 25px;
    cursor: pointer;
    display: flex;

  }

  .testimonial-col img {
    height: 40px;
    margin-left: 5px;
    margin-right: 30px;
    border-radius: 100%;

  }

  .testimonial-col p {
    padding: 0;
  }

  .testimonial-col h3 {
    margin-top: 15px;
    text-align: left;
  }

  .testimonial-col .fa {
    color: #f44336;
  }

  @media(max-width: 700px) {
    .testimonial-col img {
      margin-left: 0px;
      margin-right: 15px;
    }
  }

  /* <!-- call to action  */

  .cta {
    margin: 100px auto;
    width: 80%;
    background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url(/images/bg\ banner.jpeg);
    background-position: center;
    background-size: cover;
    border-radius: 10px;
    text-align: center;
    padding: 100px 0;

  }

  .cta h1 {
    color: #fff;
    margin-bottom: 40px;
    padding: 0;

  }

  @media(max-width: 700px) {
    .cta h1 {
      font-size: 24px;

    }
  }

  /*    footer   */

  .footer {
    width: 100%;
    text-align: center;
    padding: 30px 0;

  }

  .footer h4 {
    margin-bottom: 25px;
    margin-top: 20px;
    font-weight: 600;
  }