@media (min-width: 1800px) {
  .intro {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    position: relative;
    background-color: black;
  }

  h1 {
    font-size: 80px;
    color: #e7e7e7;
    z-index: 100;
    position: absolute;
    background: none;
    top: 150px;
    font-weight: 700;
  }

  h2 {
    font-size: 30px;
    color: #e7e7e769;
    font-weight: 200;
    z-index: 100;
    position: absolute;
    background: none;
  }

  .intro-background {
    opacity: 0.1;
    height: 550px;
    width: 100%;
    object-fit: cover;
  }

  .intro-text,
  .intro-text-list {
    margin-top: 50px;
    font-family: Arial, Helvetica, sans-serif;
    font-weight: 600;
    margin-left: 20%;
    margin-right: 20%;
    padding-left: 10%;
    padding-right: 10%;
    border-right: gray 1px solid;
    border-left: gray 1px solid;
    line-height: 35px;
    background-color: white;
  }

  .intro-text-list {
    margin-top: 0;
    padding-top: 50px;
    padding-bottom: 100px;
  }

  .what-to-learn {
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    font-size: 40px;
    font-weight: 600;
    flex-direction: row;
  }

  .learning-question {
    padding-top: 50px;
    border-top: 1px solid gray;
    z-index: 200;
    margin-bottom: 75px;
  }

  .learning-decoration {
    border-bottom: 1px solid gray;
    position: absolute;
    padding-bottom: 110px;
    width: 600px;
    z-index: 100;
  }

  .learning-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 50px;
    row-gap: 50px;
    margin-left: 10%;
    margin-right: 10%;
    margin-bottom: 50px;
  }

  .tools,
  .sources,
  .difficulties,
  .languages {
    padding-left: 50px;
    padding-right: 30px;
    line-height: 60px;
    box-shadow: 10px 10px 10px 7px rgba(0, 0, 0, 0.15);
  }

  .learning-container div img {
    width: 80px;
    margin-left: -20px;
    margin-top: 10px;
  }

  .grid-title {
    font-size: 25px;
    font-family: "Montserrat", sans-serif;
    font-weight: 800;
    margin-top: 10px;
  }

  .grid-text {
    line-height: 30px;
    opacity: 0.7;
  }

  .learning-container div a {
    text-decoration: none;
    font-family: "Montserrat", sans-serif;
    font-weight: 800;
    color: #3a4ca7;
    transition: ease 0.3s all 0s;
  }

  .learning-container div a:hover {
    opacity: 0.6;
    transition: ease 0.3s all 0s;
  }
}

@media (min-width: 801px) and (max-width: 1800px) {
  .intro {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    position: relative;
    background-color: black;
  }

  h1 {
    font-size: 60px;
    color: #e7e7e7;
    z-index: 100;
    position: absolute;
    background: none;
    top: 175px;
    font-weight: 700;
  }

  h2 {
    font-size: 25px;
    color: #e7e7e769;
    font-weight: 200;
    z-index: 100;
    position: absolute;
    background: none;
  }

  .intro-background {
    opacity: 0.1;
    height: 550px;
    width: 100%;
    object-fit: cover;
  }

  .intro-text,
  .intro-text-list {
    margin-top: 50px;
    font-family: Arial, Helvetica, sans-serif;
    font-weight: 600;
    margin-left: 10%;
    margin-right: 10%;
    padding-left: 10%;
    padding-right: 10%;
    border-right: gray 1px solid;
    border-left: gray 1px solid;
    line-height: 35px;
    background-color: white;
    margin-left: 10px;
    margin-right: 10px;
  }

  .intro-text-list {
    margin-top: 0;
    padding-top: 50px;
    padding-bottom: 100px;
  }

  .what-to-learn {
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    font-size: 40px;
    font-weight: 600;
    flex-direction: row;
  }

  .learning-question {
    padding-top: 50px;
    border-top: 1px solid gray;
    z-index: 200;
    margin-bottom: 75px;
  }

  .learning-decoration {
    border-bottom: 1px solid gray;
    position: absolute;
    padding-bottom: 110px;
    width: 600px;
    z-index: 100;
  }

  .learning-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 50px;
    row-gap: 50px;
    margin-left: 5%;
    margin-right: 5%;
    margin-bottom: 50px;
  }

  .tools,
  .sources,
  .difficulties,
  .languages {
    padding-left: 50px;
    padding-right: 30px;
    line-height: 60px;
    box-shadow: 10px 10px 10px 7px rgba(0, 0, 0, 0.15);
  }

  .learning-container div img {
    width: 80px;
    margin-left: -20px;
    margin-top: 10px;
  }

  .grid-title {
    font-size: 25px;
    font-family: "Montserrat", sans-serif;
    font-weight: 800;
    margin-top: 10px;
  }

  .grid-text {
    line-height: 30px;
    opacity: 0.7;
  }

  .learning-container div a {
    text-decoration: none;
    font-family: "Montserrat", sans-serif;
    font-weight: 800;
    color: #3a4ca7;
    transition: ease 0.3s all 0s;
  }

  .learning-container div a:hover {
    opacity: 0.6;
    transition: ease 0.3s all 0s;
  }
}
@media (min-width: 481px) and (max-width: 800px) {
  .intro {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    position: relative;
    background-color: black;
    height: 400px;
  }

  h1 {
    font-size: 22px;
    color: #e7e7e7;
    z-index: 100;
    position: absolute;
    background: none;
    top: 175px;
    font-weight: 700;
  }

  h2 {
    font-size: 15px;
    color: #e7e7e769;
    font-weight: 200;
    z-index: 100;
    position: absolute;
    background: none;
    top: 205px;
    width: 400px;
  }

  .intro-background {
    opacity: 0.1;
    height: 400px;
    width: 100%;
    object-fit: cover;
  }

  .intro-text,
  .intro-text-list {
    margin-top: 50px;
    font-family: Arial, Helvetica, sans-serif;
    font-weight: 600;
    padding-left: 10%;
    padding-right: 10%;
    line-height: 35px;
    background-color: white;
  }

  .intro-text-list {
    margin-top: 0;
    padding-top: 50px;
    padding-bottom: 100px;
  }

  .what-to-learn {
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    font-size: 30px;
    font-weight: 600;
    flex-direction: row;
  }

  .learning-question {
    padding-top: 50px;
    z-index: 200;
    margin-bottom: 75px;
  }

  .learning-decoration {
    position: absolute;
    padding-bottom: 110px;
    width: 600px;
    z-index: 100;
  }

  .learning-container {
    display: grid;
    grid-template-rows: 1fr 1fr 1fr 1fr;
    column-gap: 50px;
    row-gap: 50px;
    margin-left: 5%;
    margin-right: 5%;
    margin-bottom: 50px;
  }

  .tools,
  .sources,
  .difficulties,
  .languages {
    padding-left: 50px;
    padding-right: 30px;
    line-height: 60px;
    box-shadow: 10px 10px 10px 7px rgba(0, 0, 0, 0.15);
  }

  .learning-container div img {
    width: 80px;
    margin-left: -20px;
    margin-top: 10px;
  }

  .grid-title {
    font-size: 25px;
    font-family: "Montserrat", sans-serif;
    font-weight: 800;
    margin-top: 10px;
  }

  .grid-text {
    line-height: 30px;
    opacity: 0.7;
  }

  .learning-container div a {
    text-decoration: none;
    font-family: "Montserrat", sans-serif;
    font-weight: 800;
    color: #3a4ca7;
    transition: ease 0.3s all 0s;
  }

  .learning-container div a:hover {
    opacity: 0.6;
    transition: ease 0.3s all 0s;
  }
}
@media (max-width: 480px) {
  .intro {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    position: relative;
    background-color: black;
    height: 400px;
  }

  h1 {
    font-size: 13px;
    color: #e7e7e7;
    z-index: 100;
    position: absolute;
    background: none;
    top: 175px;
    font-weight: 700;
  }

  h2 {
    font-size: 6px;
    color: #e7e7e769;
    font-weight: 200;
    z-index: 100;
    position: absolute;
    background: none;
    top: 195px;
    left: 40px;
  }

  .intro-background {
    opacity: 0.1;
    height: 400px;
    width: 100%;
    object-fit: cover;
  }

  .intro-text,
  .intro-text-list {
    margin-top: 50px;
    font-family: Arial, Helvetica, sans-serif;
    font-weight: 600;
    padding-left: 10%;
    padding-right: 10%;
    line-height: 18px;
    background-color: white;
    font-size: 10px;
  }

  .intro-text-list {
    margin-top: 0;
    padding-top: 50px;
    padding-bottom: 20px;
  }

  .what-to-learn {
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    font-size: 15px;
    font-weight: 600;
    flex-direction: row;
  }

  .learning-question {
    padding-top: 50px;
    z-index: 200;
    margin-bottom: 75px;
  }

  .learning-decoration {
    position: absolute;
    padding-bottom: 110px;
    width: 300px;
    z-index: 100;
  }

  .learning-container {
    display: grid;
    grid-template-rows: 1fr 1fr 1fr 1fr;
    column-gap: 50px;
    row-gap: 50px;
    margin-left: 5%;
    margin-right: 5%;
    margin-bottom: 50px;
  }

  .tools,
  .sources,
  .difficulties,
  .languages {
    padding-left: 50px;
    padding-right: 30px;
    line-height: 40px;
    box-shadow: 10px 10px 10px 7px rgba(0, 0, 0, 0.15);
  }

  .learning-container div img {
    width: 50px;
    margin-left: -20px;
    margin-top: 30px;
  }

  .grid-title {
    font-size: 10px;
    font-family: "Montserrat", sans-serif;
    font-weight: 800;
    margin-top: 10px;
  }

  .grid-text {
    line-height: 15px;
    opacity: 0.7;
    font-size: 8px;
  }

  .learning-container div a {
    text-decoration: none;
    font-family: "Montserrat", sans-serif;
    font-weight: 800;
    color: #3a4ca7;
    transition: ease 0.3s all 0s;
    font-size: 10px;
  }

  .learning-container div a:hover {
    opacity: 0.6;
    transition: ease 0.3s all 0s;
  }
}