style.css

@import url("https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,400;1,200&display=swap");

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

h1 {
  width: 15px 0px;
}

body {
  font-family: "Sofia", sans-serif;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-image: url(2.jpg);
  background-repeat: no-repeat;
  background-size: cover;
}
.container {
  width: 1400px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: 100px 200px 200px 200px 100px;
}

header {
  background-color: rgb(255, 255, 255);
  grid-column: 1/-1;
  display: flex;
  align-items: center;
  padding: 25px;
  color: rgb(4, 251, 37);
}
header h1 {
  opacity: 0.5;
}
.fa-book-reader {
  color: rgba(255, 0, 0, 0.89);
  padding: 10px;
}

ul {
  margin-left: 300px;
}
ul a {
  text-decoration: none;
  color: rgb(0, 0, 0);
  padding: 10px;
  font: 1rem sans-serif;
}
button {
  padding: 10px;
  margin: 10px;
  width: 125px;
  border: none;
  border-radius: 1rem;
}
button:hover {
  background-color: rgba(39, 121, 197, 0.89);
}
aside {
  background-color: green;
  grid-column: 4/-1;
  grid-row: 2/5;
}
article {
  background-color: hotpink;
  grid-column: 1/-2;
  grid-row: 2/5;
}
footer {
  background-color: khaki;
  grid-column: 1/-1;
}

@media (max-width: 768px) {
  .container {
    grid-template-columns: 1fr;
    grid-template-rows: 100px auto auto auto 100px;
  }
  header,
  aside,
  article,
  footer {
    grid-column-start: span 1;
  }
}