webpage.css

.heading {
    color: rgb(255, 255, 255);
    font-style: italic;
    position: absolute;
    top: 40%;
    width: 100%;
    text-align: center;
    font-size: 3cm;
}

.logo {
    width: 100px;
    background-color: white;
}

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

body {

    background-size: cover;
    background-repeat: no-repeat;
    height: 100px;
    animation: animate 8s ease-in-out infinite
}

.menu-bar {
    background: rgb(100, 12, 0);
    text-align: center;
}

.menu-bar ul {
    display: inline-flex;
    list-style: none;
    color: #fff;
}

.menu-bar ul li {
    width: 120px;
    margin: 15px;
    padding: 15px;
}

.menu-bar ul li a {
    text-decoration: none;
    color: #fff;
}

.active,
.menu-bar ul li:hover {
    background: #2bab0d;
    border-radius: 3px;
}

.menu-bar .fa {
    margin-right: 8px;
}

.sub-manu-1 {
    display: none;
}

.menu-bar ul li:hover .sub-manu-1 {
    display: block;
    position: absolute;
    background: rgb(0, 100, 0);
    margin-top: 15px;
    margin-left: 15px;
}

.menu-bar ul li:hover .sub-manu-1 ul {
    display: block;
    margin: 10px;
}

.menu-bar ul li:hover .sub-manu-1 ul li {
    width: 150px;
    padding: 10px;
    border-bottom: 1px dotted #fff;
    border-radius: 0;
    text-align: left;
}

.menu-bar ul li:hover .sub-manu-1 ul li:last-child {
    border-bottom: none;
}

.menu-bar ul li:hover .sub-manu-1 ul li a:hover {
    color: #b2ff00;
}

fa-angle-right {
    float: right;
}

@keyframes animate {

    0%,
    100% {
        background-image: url(image1.png);
    }

    100% {
        background-image: url(image2.jpg);
    }
}