* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    color: #333;
  }
  
  header {
    padding: 20px;
    background-color: #333;
    color: #fff;
    text-align: left; /* Change text alignment to left */
  }
  
  header h1 {
    font-size: 2.5rem; /* Increase font size for a larger title */
    margin-bottom: 10px;
  }
  
  header p {
    font-size: 0.9rem;
  }
  
  header a {
    color: #fff; /* Set link color to white */
    text-decoration: none; /* Optional: remove underline */
  }
  
  header a:hover {
    text-decoration: underline; /* Optional: underline on hover */
  }
  
  .exclamation-icon {
    color: #fff; /* Set color to white */
    font-weight: bold;
    margin: 0 5px; /* Add spacing around the icon */
  }

  .nav-tabs {
    display: flex;
    background-color: #333;
    flex-direction: row; /* Arrange buttons in a horizontal row */
    justify-content: flex-start; /* Align buttons to the left */
    gap: 10px; /* Add space between buttons */
  }
  
  .nav-tabs button {
    background-color: #333;
    color: white;
    border: none;
    padding: 10px 15px;
    cursor: pointer;
    border-radius: 5px;
    position: relative;
  }
  
  .nav-tabs button:hover::after,
  .nav-tabs button:focus::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 5px;
    background-color: #fff; /* Color of the underline */
  }

  .learning-paths {
    display: flex;
    gap: 20px;
    margin-top: 20px;
    
}

.learning-card {
    background-color: #fff;
    margin-top: 15px;
    color: #333;
    padding: 0px;
    flex: 1;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    position: relative;
    border: 1px solid gray; /* Sets a 1px solid gray border */  
}

.menu-icon {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 25px;
    cursor: pointer;
    color: black;
}

.menu-icon:hover {
    color: #333;
}


.learning-card p {
    font-size: 1em;
    margin-bottom: 10px;
    margin-top: 10px;
    color: gray;
    font-weight: bold;
    margin-left: 80px;
}

.learning-card h3 {
    font-size: 1.3em;
    margin-bottom: 70px;
    color: #333;
    margin-left: 80px;
}

.progress {
    height: 5px;
    background-color: #ddd;
    border-radius: 0px;
    overflow: hidden;
    margin-top: 15px;
}

.progress-bar {
    height: 100%;
    background-color: blueviolet;
}

.progress-text {
    font-size: 0.9em;
    margin-top: 5px;
    margin-left: 80px;
    color: #666;
}

.fpt-icon {
    position: absolute;
    top: 15px;
    left: 15px;
    width: 50px; /* Tăng kích thước chiều rộng */
    height: 50px; /* Tăng kích thước chiều cao */
}