.navbar {
  position: fixed;
  background: #000;
  top: 0;
  left: 0;
  width: 100%;
}

.student-gitub .hero {
  text-align: left;
  background: #000 url(../img/claim-tech-mobile-bg.png) no-repeat bottom center/cover;
}
.student-gitub .hero__title {
  font-size: 2.5rem;
  text-align: left;
  text-transform: uppercase;
  line-height: 4rem;
  letter-spacing: 5px;
  margin-bottom: 2rem;
}
.student-gitub .hero__title:after {
  display: none;
}
.student-gitub .hero__text {
  font-size: 2rem;
}
.student-gitub .subheading__wrap,
.student-gitub .bottom-wrap {
  padding: 0 40px;
}
.student-gitub .green-line {
  position: relative;
}
.student-gitub .green-line::before {
  content: "";
  background: #7A30EF;
  width: 30px;
  height: 2px;
  position: absolute;
  top: 7px;
  left: -40px;
}
.student-gitub .bottom-wrap p {
  margin: 0;
}
.student-gitub .hero__text-green {
  color: #BBFF8E;
  position: relative;
  padding: 0 25px;
  margin: 1rem auto 0;
}
.student-gitub .hero__text-green:before {
  content: "";
  background: #fff;
  height: 100%;
  width: 1px;
  position: absolute;
  top: 0;
  left: 15px;
}
.student-gitub .hero__text-green .hero__link:after {
  background: #BBFF8E;
}
.student-gitub .search-field {
  margin: 4rem 0 6rem;
}
.student-gitub .search-field__submit {
  --fold-edge: 1.6rem;
}

.row {
  margin-right: -15px;
  margin-left: -15px;
}

.cards-grid {
  position: relative;
  padding: 0px 0 3rem;
}
.cards-grid .cards {
  padding: 18px 30px;
}
.cards-grid .cards__content {
  position: relative;
  display: block;
  border-bottom: 4px solid #7A30EF;
  text-decoration: none;
  text-align: center;
  overflow: hidden;
}
.cards-grid .cards__content img {
  width: 100%;
  margin: 0 auto;
  display: block;
}
.cards-grid .cards__content h3 {
  margin: 0 auto;
  background: #fff;
  padding: 4rem 2rem;
  text-transform: uppercase;
  color: #000;
  font-size: 2.5rem;
  letter-spacing: 1px;
}
.cards-grid .cards__content:hover .cards__back {
  top: 0;
  -webkit-transition: all 0.2s linear;
  transition: all 0.2s linear;
}
.cards-grid .cards__content:not(:hover) .cards__back {
  opacity: 0;
  visibility: hidden;
  -webkit-transition: all 0.2s ease-in;
  transition: all 0.2s ease-in;
}
.cards-grid .cards__content .cards__back {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  background: #000;
  color: #fff;
  height: 100%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: end;
      -ms-flex-pack: end;
          justify-content: flex-end;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  padding: 3rem 2rem;
  letter-spacing: 1px;
  line-height: 24px;
  font-size: 2.5rem;
  background: url(../img/cards/card-hover.png) no-repeat bottom/cover;
  top: 70px;
  -webkit-transition: all 0.2s linear;
  transition: all 0.2s linear;
}
.cards-grid .cards__content .cards__back p {
  margin: 0;
}
.cards-grid .cards__content .cards__back span {
  color: #BBFF8E;
  display: block;
}

.footer {
  position: relative;
}

@media (min-height: 700px) and (min-width: 375px) {
  .student-gitub .search-field {
    margin: 9rem 0 30rem;
  }
  .student-gitub .green-line::before {
    width: 30px;
    left: -40px;
  }
  .hero__content {
    padding-top: 20rem;
    padding-bottom: 12rem;
  }
}
@media (max-width: 400px) {
  .hero__content {
    padding-top: 15rem;
    padding-bottom: 6rem;
  }
  .student-gitub .hero__title {
    letter-spacing: 3px;
    margin-bottom: 0;
  }
  .student-gitub .hero__text {
    font-size: 1.8rem;
  }
  .student-gitub .green-line::before {
    width: 20px;
    left: -30px;
  }
  .student-gitub .search-field {
    margin: 6rem 0 25rem;
  }
  .student-gitub .subheading__wrap,
.student-gitub .bottom-wrap {
    padding: 0 30px;
  }
}
@media (max-width: 320px) {
  .hero__content {
    padding-top: 12rem;
    padding-bottom: 4rem;
  }
  .student-gitub .hero__title {
    font-size: 2rem;
    line-height: 3.5rem;
    letter-spacing: 2px;
    margin-bottom: 0;
  }
  .student-gitub .hero__text {
    font-size: 1.3rem;
    line-height: 2rem;
  }
  .student-gitub .hero__link:after {
    bottom: 0;
  }
  .student-gitub .search-field {
    margin: 5rem 0 20rem;
  }
  .cards-grid .cards {
    padding: 15px 20px;
  }
  .cards-grid .cards__content h3 {
    font-size: 2rem;
    letter-spacing: 2px;
  }
  .cards-grid .cards__content .cards__back {
    letter-spacing: 2px;
    line-height: 2.5rem;
    font-size: 1.5rem;
  }
}
@media (min-width: 768px) {
  html {
    font-size: 10px;
  }
  .hero__content {
    padding-top: 18rem;
    padding-bottom: 10rem;
  }
  .student-gitub .hero {
    background-position-y: 55%;
  }
  .student-gitub .hero__text {
    font-size: 1.8rem;
  }
  .student-gitub .green-line::before {
    top: 13px;
  }
  .student-gitub .search-field {
    margin: 10rem 0 20rem;
  }
  .row {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
  }
  .cards-grid .cards {
    padding: 15px;
    width: 50%;
  }
  .cards-grid .cards__content h3 {
    padding: 2rem 2rem;
    font-size: 2rem;
    letter-spacing: 1px;
  }
  .cards-grid .cards__content .cards__back {
    line-height: 26px;
    font-size: 1.8rem;
  }
}
@media (min-width: 992px) {
  .container {
    padding-right: 5rem;
    padding-left: 5rem;
  }
  .navbar {
    padding: 3rem 6rem;
  }
  .hero__content {
    padding-top: 15rem;
    padding-bottom: 10rem;
  }
  .student-gitub .hero {
    background: url(../img/claim-tech-bg.png) no-repeat right center/cover;
    background-position-y: 35%;
    min-height: auto;
  }
  .student-gitub .hero__title {
    margin-bottom: 0;
  }
  .student-gitub .hero__text {
    font-size: 1.6rem;
  }
  .student-gitub .search-field {
    margin: 3rem 0 6rem;
  }
  .cards-grid {
    padding: 3rem 0 5rem;
  }
  .cards-grid .cards {
    padding: 15px;
    width: 33.3%;
  }
  .cards-grid .cards__content h3 {
    padding: 1.5rem 3rem;
    font-size: 1.6rem;
    letter-spacing: 1px;
    height: 115px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
  }
  .cards-grid .cards__content .cards__back {
    font-size: 1.6rem;
  }
}
@media (min-width: 1300px) {
  .navbar {
    padding: 3rem 6rem 2rem;
  }
  .container {
    max-width: 1130px;
  }
  .hero__content {
    padding-top: 12rem;
    padding-bottom: 5rem;
  }
  .student-gitub .hero {
    background: url(../img/claim-tech-bg.png) no-repeat right center/cover;
    background-position-y: 35%;
  }
  .student-gitub .hero__text {
    font-size: 1.6rem;
    margin: 1rem 0;
  }
  .student-gitub .subheading__wrap,
.student-gitub .bottom-wrap {
    padding: 0 110px;
  }
  .student-gitub .green-line::before {
    width: 90px;
    left: -110px;
    height: 3px;
  }
  .student-gitub .search-field {
    padding: 0 110px;
    height: 5rem;
    margin-bottom: 4rem;
  }
  .student-gitub .search-field__domain {
    width: 79%;
    margin-right: 1%;
  }
  .student-gitub .search-field__input {
    font-size: 1.8rem;
  }
  .cards-grid {
    padding-top: 5rem;
  }
}
@media (min-width: 1600px) {
  .container {
    max-width: 1170px;
  }
  .hero__content {
    padding-top: 10rem;
    padding-bottom: 12rem;
  }
  .student-gitub .hero__title {
    font-size: 3rem;
  }
  .student-gitub .hero__text {
    font-size: 1.8rem;
    margin: 2.5rem 0;
  }
  .student-gitub .search-field {
    margin: 4rem 0 8rem;
  }
  .student-gitub .hero__text-green {
    padding: 0 40px;
  }
  .student-gitub .hero__text-green:before {
    height: 90%;
    width: 2px;
    top: 5%;
    left: 20px;
  }
  .student-gitub .bottom-wrap p {
    margin-top: 5px;
  }
  .cards-grid {
    padding: 4rem 0 8rem;
  }
  .cards-grid .cards__content h3 {
    height: 95px;
  }
  .cards-grid .cards__back {
    padding: 3rem 2rem;
  }
}