body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header {
    background-color: #4db6ac;
    color: #ffffff;
    padding: 20px 0;
    text-align: center;
}

.logo {
    max-width: 100px;
}

nav ul {
    list-style: none;
    padding: 0;
}

nav ul li {
    display: inline;
    margin: 0 15px;
}

nav ul li a {
    color: #ffffff;
    text-decoration: none;
}

main {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    padding: 20px;
}

section {
    background: #ffffff;
    border: 1px solid #dddddd;
    border-radius: 5px;
    margin: 10px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: transform 0.2s;
}

section:hover {
    transform: scale(1.05);
}

footer {
    text-align: center;
    padding: 10px 0;
    background-color: #4db6ac;
    color: #ffffff;
    position: relative;
    bottom: 0;
    width: 100%;
}

@media (max-width: 768px) {
    nav ul li {
      display: block;
      margin: 10px 0;
    }
  
    main {
      padding: 10px;
      margin: 10px;
    }
  
    .logo {
      width: 100px;
    }
  }