body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background: linear-gradient(to right, red, orange, yellow, green, blue, indigo, violet);
    min-height: 100vh;
}

header {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.9);
    color: #2e7d32;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

h1, h2 {
    color: #2e7d32;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.4); 
}

.absolutely-positioned {
    position: absolute;
    top: 300px;
    right: 20px;
    width: 300px;
}

.vertical-text {
    writing-mode: vertical-rl;
    text-orientation: upright;
    font-size: 24px;
    color: #c618cc;
    position: absolute;
    left: 10px;
    top: 450px;
}

section {
    padding: 20px;
    margin: 20px;
    border-radius: 15px; 
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    background-color: #fff;
    z-index: 10;
}
.img-with-shadow {
    width: 100%;
    max-width: 500px;
    display: block;
    margin: 0 auto;
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2); 
}

a {
    color: #2e7d32;
    text-decoration: none;
}

a:hover {
    color: #FF5722;
}

a:visited {
    color: #9C27B0;
}

a:active {
    color: #D32F2F;
}


footer {
    text-align: center;
    padding: 20px;
    background-color: #2e7d32;
    color: white;
    position: fixed;
    width: 100%;
    bottom: 0;
}