* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    color: #333;
    line-height: 1.6;
}

/* head section dec */
header {
    background: #35424a;
    color: #ffffff;
    padding: 20px;
    text-align: center;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header .logo {
    color: #ffffff; 
    text-decoration: none;
    font-size: 25px; 
    font-weight: bold;
}

.header .navbar {
    display: flex; 
    align-items: center;
}

nav a {
    color: #ffffff;
    text-decoration: none;
    margin: 0 15px;
    font-size: 18px;
}

nav a:hover {
    text-decoration: underline;
}

#menu-btn {
    color: white;
    font-size: 20px;
    margin-left: 15px;
    cursor: pointer;
}

/* home section dec */
#home .content {
    padding: 20px;
    background: #ffffff;
    margin: 20px;
    border-radius: 5px;
}

.content h3{
    text-align: center;
}

.content a{
    text-decoration: none;
    font-weight: bold;
    color: black;
}

.content a:hover{
    color: red;
}

/* image section dec */
img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto 20px;
}

/* course section dec */
.courses {
    padding: 20px;
    background: #ffffff;
    margin: 20px;
    border-radius: 5px;
}

.courses .heading {
    text-align: center;
    margin-bottom: 20px;
}

#courses table {
    width: 100%;
    margin-top: 20px; 
}

#courses th, #courses td {
    border: 1px solid #ccc; 
    padding: 10px; 
    text-align: left;  
}

#courses th {
    background-color: #f2f2f2; 
    font-weight: bold; 
    text-align: center; 
}

/* about section dec */
.about {
    padding: 20px;
    background: #ffffff;
    margin: 20px;
    border-radius: 5px;
}

.about .heading {
    text-align: center;
    margin-bottom: 20px;
}

.about h2 {
    margin-top: 15px;
    margin-bottom: 10px;
}

.about ul, .about ol {
    margin-left: 20px;
    margin-bottom: 15px;
}

/* media section dec */
.media-section {
    padding: 20px;
    background: #ffffff;
    margin: 20px;
    border-radius: 5px;
}

.media-section .heading {
    text-align: center;
    margin-bottom: 20px;
}

.media-section h2 {
    margin-top: 15px;
    margin-bottom: 10px;
    text-align: center;
}

.video-container {
    margin-bottom: 30px;
    text-align: center;
}

.video-container iframe {
    display: block;
    margin: 0 auto;
}

.audio-container {
    text-align: center;
}

.audio-container audio {
    max-width: 100%;
    display: block;
    margin: 0 auto;
}

/* contact dec */
.contact {
    padding: 20px;
    background: #ffffff;
    margin: 20px;
    border-radius: 5px;
}

.contact .heading {
    text-align: center;
    margin-bottom: 30px;
}

.contact form {
    max-width: 600px; 
    margin: 0 auto;
}

.contact .inputBox {
    display: flex;
    align-items: center;
    border: 1px solid #ccc;
    border-radius: 5px;
    padding: 10px;
    margin-bottom: 15px;
}

.contact .inputBox span {
    color: #35424a; 
    margin-right: 15px;
    font-size: 16px;
}

.contact .inputBox input,
.contact .inputBox textarea {
    width: 100%;
    padding: 5px;
    font-size: 16px;
    color: #333;
    background: none;
    border: none;
    outline: none;
}

.contact .inputBox textarea {
    height: 100px;
    resize: none;
}

.contact .btn {
    display: block;
    width: 100%;
    background: #35424a; 
    color: #ffffff;
    padding: 10px 0;
    font-size: 18px;
    font-weight: bold;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.contact .btn:hover {
    background: green; 
}

/* external dec */
.external-link {
    padding: 20px;
    background: #ffffff;
    margin: 20px;
    border-radius: 5px;
    text-align: center;
}

.external-link .heading {
    margin-bottom: 15px;
}

.external-link p {
    font-size: 17px;
}

.external-link a {
    color: #35424a; 
    font-weight: bold;
    text-decoration: underline;
}

.external-link a:hover {
    color: green; 
}