* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  color: #333;
  padding: 20px;
}
.head {
  color: #2c3e50;
  text-align: center;
  margin-bottom: 20px;
  text-decoration: none;
  display: block;
  font-size: 24px;

}

.img-large {
    display: block;
    margin: 0 auto 20px;
    width: 60%;
    height: auto;
}

ul {
  list-style-type: none;
  padding: 0;
}
li {
  margin: 5px 0;
  padding: 10px;
  border-radius: 5px;
}