* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
img {
  width: 100%;
}
ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
}
a {
  text-decoration: none;
  color: black;
}
header {
  background-color: lightblue;
}
.main-section img {
  height: 400px;
  object-fit: cover;
}
.main-section h1 {
  border: 5px solid red;
  border-top: 50px solid green;
  border-bottom: 50px dotted blue;
  border-left: 5px solid red;
  border-right: 5px solid red;
  padding: 10px;
  width: 200px;
}
.main-section {
  background-color: darkcyan;
  margin-bottom: 40px;
  margin-top: 40px;
  padding: 20px;
  padding: 10px 20px 30px 40px;
}
footer {
  background-color: #2e2e2e;
  padding: 60px 0;
}
.container {
  max-width: 1640px;
  width: 100%;
  padding: 0 8px;
  margin: 0 auto;
}