body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
    color: #333333;
    box-sizing: border-box;
   
    
}

header {
   
    background-color: #4caf50;
    color: white;
    padding: 10px 20px;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    width: 100%;
    box-sizing: border-box;
}

nav h1 {
    margin: 0;
    font-size: 1.8em;
}

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

.navbar ul li {
    display: inline;
    margin-right: 20px;
}

.navbar ul li a {
    color: white;
    text-decoration: none;
}

.navbar ul li a:hover {
    color: #333333;
}


main {
    padding: 20px 20px;
    margin: 0;
    width: 100%;
    box-sizing: border-box;
    
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.content {
    display: flex;
   flex-direction: column;
   gap: 40px;
   width: 100%;
   margin: 0;
   padding: 0;
   box-sizing: border-box;
}

.content-block {
    display: flex;
    align-items: center;
    padding: 20px ;
    background-color: white;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    justify-content: space-between;
    width: 100%;
    box-sizing: border-box;
    margin: 0;
}

.content-block img {
    width: 45%;
    height: auto;
}

.content-block.left-img-right-text{
    flex-direction: row-reverse;
}
.content-block.right-img-left-text {
    flex-direction: row;
}

.content-block.left-img-right-text-3 {
    flex-direction: row-reverse;
}
.content-block .text {
    width: 45%;
    padding: 10px;
}

.content-block h3{
    font-size: 1.6;
    color: #2e7d32;
}

.content-block p{
    line-height: 1.5;
}

#intro {
    background-color: #e1f7d5;
    padding: 20px;
    text-align: center;
}

#intro input {
    margin: 10px 0;
    padding: 10px;
    font-size: 1em;
}

#intro button {
    padding: 10px 20px;
    background-color: #333;
    color: white;
    border: none;
    cursor: pointer;
}

#intro button:hover {
    background-color: #555;
}

footer{
    background-color: #333;
    color: white;
    text-align: center;
    padding: 10px;
}

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

    .content-block {
        margin: 10px 0;
    }
}