style.css

* {
  padding: 0;
  margin: 0;
  font-family: sans-serif;
}

#banner {
  padding: 180px;
  padding-left: 400px;
  background-image: url("https://source.unsplash.com/random/1000x500");
  background-size: cover;
}

#banner>h1 {
  color: aliceblue;
  font-size: 45px;
  font-weight: bolder;
  margin-bottom: 40px;
}

#banner>h3 {
  color: aliceblue;
  font-size: 33px;
  font-weight: lighter;
}

.article {
  margin-bottom: 30px;
}

.article>p {
  font-size: 19px;
  font-weight: lighter;
  line-height: 1.4;
}


.article>h2 {
  font-size: 26px;
  line-height: 1.6;
  margin-bottom: 30px;
  font-weight: lighter;
}

.article>a {
  font-size: 25px;
  background-color: rgba(32, 178, 170, 0.2);
  text-decoration: none;
  color: black;
}

.article>a:hover {
  background-color: rgba(32, 178, 170, 0.5);
}

#container-article {
  width: 700px;
  margin: 50px auto;
}

@media(max-width: 576px) {

  #banner {
    padding: 200px;
    padding-left: 50px;
    background-image: url("https://source.unsplash.com/random/1000x500");
    background-size: cover;
  }

  #banner>h1 {
    font-size: 25px;
    font-weight: bolder;
    margin-bottom: 40px;
  }

  #banner>h3 {
    color: aliceblue;
    font-size: 20px;
    font-weight: lighter;
  }
}

@media(max-width: 768px) {

  #banner {
    padding: 200px;
    padding-left: 50px;
    background-image: url("https://source.unsplash.com/random/1000x500");
    background-size: cover;
  }

  #banner>h1 {
    font-size: 30px;
    font-weight: bolder;
    margin-bottom: 40px;
  }

  #banner>h3 {
    color: aliceblue;
    font-size: 25px;
    font-weight: lighter;
  }

}

@media(max-width: 1200px) {
  #banner {
    padding: 200px;
    padding-left: 50px;
    background-image: url("https://source.unsplash.com/random/1000x500");
    background-size: cover;
  }

  #banner>h1 {
    font-size: 30px;
    font-weight: bolder;
    margin-bottom: 40px;
  }

  #banner>h3 {
    color: aliceblue;
    font-size: 25px;
    font-weight: lighter;
  }
}