body {
    font-family:Arial, Helvetica, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background: #f5f5f5;
    /* background-color: #f4f4f4; */
    color: #333;
}

header {
    /* background-color: #4CAF50;
    background-size: 100px;
    color: black;
    text-align: center;
    padding: 1rem 0;
    font-size:larger;
    font-weight: bold;
    width:100%;
    position:fixed;
    z-index: 1000; */
    background: #4CAF50;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
}

nav {
    /* position: fixed;
    width: 100%;
    top: 50px; 
    z-index: 900; */
    background: #333;
    color: #fff;
    overflow: hidden;
}

nav ul {
    /* list-style: none;
    padding: 0;
    background-color: #333;
    text-align: center;
    margin: 0; */
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
}

nav ul li {
    /* display: inline; */
    margin: 0;
}

nav ul li a {
    /* color: white;
    padding: 0.5rem 1rem;
    display: inline-block;
    text-decoration: none; */
    display: block;
    padding: 1rem;
    color: #fff;
    text-decoration: none;
}

nav ul li a:hover {
    /* background-color: #575757; */
    background: #4CAF50;
}

main {
    padding: 1rem;
    margin: 0 auto;
    max-width: 1000px;
    /* background-color: white;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1); */
}

section {
    margin-bottom: 2rem;
    background: #fff;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1, h2, h3 {
    color: #333;
}

h2 {
    border-bottom: 2px solid #4CAF50;
    padding-bottom: 0.5rem;
}

ul {
    padding-left: 1.5rem;
}

ul.timeline {
    list-style: none;
    padding: 0;
    position: relative;
}

ul.timeline li {
    margin-bottom: 2rem;
    padding-left: 1.5rem;
    position: relative;
}

ul.timeline li:before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 1rem;
    height: 1rem;
    background: #4CAF50;
    border-radius: 50%;
}

ul.timeline li:after {
    content: "";
    position: absolute;
    left: 0.5rem;
    top: 1rem;
    bottom: 0;
    width: 0.25rem;
    background: #4CAF50;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 1rem 0;
}

footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1rem 0;
}

#backToTopBtn {
  display:block; 
  position: fixed; 
  bottom: 20px; 
  right: 30px; 
  z-index: 99; 
  border: none;
  outline: none;
  background-color: #000; 
  color: white;
  cursor: pointer; 
  padding: 15px; 
  border-radius: 10px; 
  font-size: 12px; 
}

#backToTopBtn:hover {
  background-color: #555; 
}

table {
    width:100%;
    border-collapse: collapse;
}
th, td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}
th {
    background-color: #186218;
    color: white;
  }
tr:hover {
    background-color: #f5f5f5;
}


.code-container {
    width: min-content;
    position: relative;
    /* max-width: 600px; */
    padding: 20px;
    background-color: #f0f0f0;
    border-radius: 8px;
    box-shadow: black;
    overflow: auto;
} 

pre {
    margin: 0;
}

code {
    width: fit-content;
    display:block;
    white-space: pre;
    padding: 10px;
    background-color: #f9f9f9;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.copy-button {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 10px 20px;
    background-color: #186218;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.copy-button:hover {
    background-color: #186218;
}

@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
    }

    nav ul li {
        margin: 0;
        border-bottom: 1px solid #444;
    }

    main {
        padding: 1rem;
    }

    section {
        padding: 0.5rem;
    }
}