footer {
  background: #007C8A;
  text-align: center;
  color: rgb(255, 255, 255);
  font-weight: bold;
  /*padding: 20.5px;*/
  height: 58px;
}

#content-left {
  padding-right: 0;
  padding-left: 0;
  width: 50%;
  /*border: 1px solid var(--bs-pink) ;*/
}

.button-group {
  display: flex;
  flex-direction: row;
  margin-bottom: 80px;
  font-size: 1rem;
}


#content-right {
  display: flex;
  width: 50%;
  margin: 0;
  padding: 0;
}

#content-right-group>button {
  margin-bottom: 80px;
}


.course-btn {
  display: flex;
  width: 33%;
  border-radius: 12px;
  background: #007C8A;
  margin: 5px;
  padding: 10px;
  position: relative;
  flex-direction: column;
}

.course-btn:hover {
  display: flex;
  width: 33%;
  border-radius: 12px;
  margin: 5px;
  background-color: white;
  padding: 10px;
  position: relative;
  flex-direction: column;
  cursor: pointer;
}

.course-btn .active {
  display: flex;
  width: 33%;
  border-radius: 12px;
  background: #ffffff;
  margin: 5px;
  padding: 10px;
  position: relative;
  flex-direction: column;
}

.course-btn .active {
  display: flex;
  width: 33%;
  border-radius: 12px;
  background: #007C8A;
  margin: 5px;
  padding: 10px;
  position: relative;
  flex-direction: column;
}

.course-btn-header {
  text-align: center;
  font-weight: 500;
  color: rgb(255, 255, 255);
  margin-top: 27px;
  font-size: 14px;
  left: 0;
  position: absolute;
  width: 100%;
  padding: 10px;
  letter-spacing: 1px;
}

.course-btn-img {
  width: 80px;
  height: 80px;
  margin: 0 auto;
  background-color: #0B203F;
  margin-top: 132px;
  border-radius: 131px;
  align-self: end;
  display: flex;
}

.course-btn.active>.course-btn-img {
  width: 80px;
  height: 80px;
  margin: 0 auto;
  background-color: #007c89;
  margin-top: 132px;
  border-radius: 131px;
  align-self: end;
}

.course-btn:hover>.course-btn-img {
  width: 80px;
  height: 80px;
  margin: 0 auto;
  background-color: #007c89;
  margin-top: 132px;
  border-radius: 131px;
  align-self: end;
}

.course-btn-img img {
  position: relative;
  margin: 0 auto;
  display: flex;
  align-self: center;
  justify-self: center;
}

#content-left>div:nth-child(1)>div.course-btn.contentBtn1>div>img {
  width: 53px;
}

#content-left>div:nth-child(1)>div.course-btn.contentBtn4>div>img {
  width: 42px;
}

#content-left>div:nth-child(1)>div.course-btn.contentBtn5>div>img {
  width: 55px;
}

#content-left>div:nth-child(2)>div.course-btn.contentBtn6>div>img {
  width: 55px;
}

#content-left>div:nth-child(2)>div.course-btn.contentBtn7>div>img {
  width: 81px;
}

#content-left>div:nth-child(2)>div.course-btn.contentBtn8>div>img {
  width: 55px;
}

#content-left>div:nth-child(2)>div.course-btn.contentBtn9>div>img {
  width: 55px;
}

#content-left>div:nth-child(2)>div.course-btn.contentBtn10>div>img {
  width: 81px;
}

section {
  width: 100%;
}

.content-left-group {
  display: flex;
  width: 100%;
}

#content {
  width: 95%;
  margin: 31px auto;
  display: flex;
}

#second-menu {
  width: 100%;
  padding: 51px;
  background: #0B203F;
  margin: 0 auto;
}

.nav-tabs {
  width: 100%;
  margin: 0 auto;
  border: none;
}

.nav-item {
  margin: 0 auto;
}

.nav-tabs .nav-item.show .nav-link,
.nav-tabs .nav-link.active {
  color: #0b203f;
  background-color: white;
  border: 0px;
  font-weight: bold;
}

.nav-tabs .nav-link:focus,
.nav-tabs .nav-link:hover {
  border-color: #e9ecef #e9ecef #dee2e6;
  isolation: isolate;
  color: #0b203f;
  background-color: white;
  border: 0px;
  font-weight: bold;
  cursor: pointer;
}

.nav-tabs .nav-link {
  margin-bottom: -1px;
  background: 0 0;
  border: 1px solid transparent;
  border-top-left-radius: .25rem;
  border-top-right-radius: .25rem;
  color: #ffffff;
}

#content-right-group {
  width: 95%;
  margin: 0 auto;
  background: white;
  position: relative;
}

#content-right-group p {

  margin: 20px;
}

#content-right-group h2 {
  color: rgb(6, 32, 62);
  font-weight: bold;
  letter-spacing: 0.1rem;
  margin: 20px;
}

.course-btn.active {
  background-color: white;
}

.course-btn.active>.course-btn-header {
  color: rgb(6, 32, 62);
  font-weight: bold;
}

.course-btn:hover>.course-btn-header {
  color: rgb(6, 32, 62);
  font-weight: bold;
}

button {
  margin: 0 30px;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  padding: 20px 40px;
  border-radius: 36px;
  border: none;
  background-color: #007c8a;
}

button {
  margin: 0 30px;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  padding: 20px 40px;
  border-radius: 36px;
  border: none;
  background-color: #007c8a;
}

button>a {
  color: white;
}

button>a {
  color: white;
}

button>a {
  color: white;
}

button>a:hover {
  color: white;
}

button:hover {
  background-color: #084248;
}

.btn-close {
  background-color: #007c8a;
  border-radius: 8px;
  color: #ffffff;
  cursor: pointer;
  opacity: 1;
}

.btn-close:hover {
  color: #ffffff;
  text-decoration: none;
  opacity: .75;
  background-color: #07474e;
}

.modal-header .btn-close {
  padding: .8rem 1rem 1rem 1rem;
  margin: -.5rem -.5rem -.5rem auto;
  background: none;
  background-color: #007c8a;
  font-weight: bold;
}

a {
  color: #007c8a;
}

a {
  color: #007c8a;
}

a:hover {
  color: #06454d;
}

a img {
  cursor: -moz-zoom-in;
  cursor: -webkit-zoom-in;
  cursor: zoom-in;
}

body {
  margin: 0;
  font-size: var(--bs-body-font-size);
  font-weight: var(--bs-body-font-weight);
  line-height: var(--bs-body-line-height);
  font-family: proxima-nova, sans-serif;
  text-align: var(--bs-body-text-align);
  background-color: var(--bs-body-bg);
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  width: 100%;
}

.line-on-bottom {
  height: 48px;
  width: 100%;
  background: url('https://instructional-resources.s3.amazonaws.com/PLTW_Engineering/Engineering_English_Cross_Unit_Resources/taste_of_engineering/assets/img/Grid.png'), #06203e;
  position: absolute;
  bottom: 0;
}

ul {
  margin: 20px;
}

.sec-menu-col {
  display: flex;
  flex-direction: row;
  justify-content: space-evenly;
}

.sec-menu-col a {
  color: white;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  padding: 20px;
}

.sec-menu-col a {
  color: white;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
}

.sec-menu-col a:hover {
  background-color: #ffffff;
  color: #0b203f;
}

.text-right {
  line-height: 58px;
}

#navcol-1 {
  display: flex;
  flex-direction: row;
  align-items: center;
  margin: 0;
}

.navbar {
  position: relative;
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: space-evenly;
  padding-top: .5rem;
  width: 100%;
  padding-bottom: .5rem;
}

body>header>nav>div>a>img {
  width: 14vw;
}

#navcol-1>ul>li:nth-child(1)>h1 {
  color: white;
  font-size: 4vw;
}




@media (max-width: 1281px) {
  .content-left-group>div>div {
    display: flex;
  }

  #content {

    flex-direction: column;
  }

  #content-left {

    width: 100%;

  }

  #content-right {

    width: 100%;

  }

  #content-right-group {
    width: 100%;
    height: fit-content;
  }

  #content-right-group>p:nth-child(4) {
    margin-bottom: 180px;
  }

  #content-right-group>ul>li {
    font-size: 16px;
  }

}

@media (max-width: 1024px) {
  #navcol-1>img {
    width: 63%;
  }

  .sec-menu-col {
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
  }
}

@media (max-width: 768px) {
  #navcol-1>img {
    width: 63%;
  }

  .sec-menu-col {
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
  }
}


@media (max-width: 650px) {
  #navcol-1>img {
    display: none;
  }

  .content-left-group>div>div {
    display: none !important;
  }


  .course-btn {

    height: fit-content;

  }

  .course-btn-header {
    margin-top: 0;

  }

  .content-left-group>div>h3 {
    font-size: 9px;
    position: relative;
  }

  .course-btn-header {

    font-size: 9px;

    padding: 0;

  }

  #content-right-group>p:nth-child(4) {
    margin-bottom: 71px;
  }

  .sec-menu-col {
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    font-size: 0.8rem;
  }

  h2 {
    font-size: 4vw;
  }

  p {
    font-size: 3vw;
  }


  #content-left {
    width: 100%;
    flex-direction: row;
    display: flex;
  }

  .content-left-group {
    display: flex;
    width: 50%;
    flex-direction: column;
  }

  .course-btn {

    width: 95%;

  }

  .course-btn:hover {
    display: flex;
    width: 100%;
    border-radius: 12px;
    margin: 5px;
    background-color: white;
    padding: 10px;
    position: relative;
    flex-direction: column;
    cursor: pointer;
  }

  #content-right-group>p:nth-child(4) {
    margin-bottom: 180px;
  }

  .button-group {

    font-size: 0.8rem;
  }

  #content-right-group>ul>li {
    font-size: 3vw;
  }


}