body {
    margin: 0;
    padding: 0;
    font-family: "Poppins", sans-serif;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    box-sizing: border-box;
  }

  header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    padding: 10px 20px;
    border-bottom: 3px solid black;
  }

  .logo img {
    height: 40px;
  }

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

  nav ul li {
    margin: 0 15px;
  }

  nav ul li a {
    text-decoration: none;
    color: black;
    font-weight: 600;
  }

  main {
    display: flex;
    flex: 1;
  }

  .sidebar {
    width: 200px;
    background: rgb(49, 2, 111);
    padding: 20px;
    color: white;
  }

  .sidebar ul {
    list-style: none;
    padding: 0;
  }

  .sidebar ul li {
    margin-bottom: 15px;
  }

  .sidebar ul li a {
    text-decoration: none;
    color: white;
    font-size: 16px;
    display: flex;
    align-items: center;
  }

  .sidebar ul li i {
    margin-right: 10px;
  }

  .content {
    flex: 1;
    padding: 20px;
    display: flex;
    flex-direction: column;
  }

  .image-container {
    display: flex;
    gap: 0;
    margin-bottom: 20px;
  }

  .box {
    width: 30%;
    margin: 0;
    padding: 0;
    background: white;

    border-top: 2px solid black;
    border-bottom: 2px solid green;
  }

  .box img {
    display: block;
    width: 100%;
    margin: 0;
  }

  .box1 {
    border-left: 2px solid black;
  }

  .box2 {
    border-left: 2px solid green;
    border-right: 2px solid green;
  }

  .box3 {
    border-right: 2px solid black;
  }

  .text-content {
    background: white;
    padding: 15px;
  }

  footer {
    background: gray;
    text-align: center;
    padding: 10px;
    font-size: 14px;
    color: white;
  }