header {
    background-image: linear-gradient(to left,#dbb895,#a0d2e1 );
    color: #fff;
    padding: 20px 0;
    text-align: center;
}

nav ul {
    list-style: none;
    padding: 0;
}

nav ul li {
    display: inline;
    margin: 0 15px;
    color: #000000;
    font-size: 30px;
}

nav ul li a {
    color: #000000;
    text-decoration: none;
    font-size: 20px;
}

.abt {
    background-image: linear-gradient(to right,#6ce244,#ffffff);
    color: #000000;
    padding: 20px 0;
    text-align: center;
    font-size: 18px;
}
footer {
    text-align: center;
    padding: 20px 0;
    background-image: linear-gradient(to left,#c5966c,#5ea5b8 );
    color: #000000;
}

footer .logo {
    max-width: 100%; /* adjust logo width */
    height: 80px; /* adjust logo height */ /* adjust logo margin */
    position: relative;
    margin: 0 auto;
    padding: 10px;
}