* {
    margin: 0;
    padding: 0;
}

body {
    background-color: gainsboro;
}

.header {
    display: flex;
    color: white;
    font-size: 30px;
    padding: 15px 10px;
    /* width: 98vw; */
    margin-bottom: 20px;
    position: sticky;
    top: 0;
    justify-content: center;
    align-items: center;
    background-color: grey;
}

.nav-bar li {
    display: inline;
    margin: 30px;
    padding: 0px;
}

.nav-bar li a {
    color: white;
    text-decoration: none;
    height: 100%;
    padding: 10px 10px;
    font-weight: bolder;
}

.nav-bar li a:hover {
    background-color: white;
    color: black;
}

.banner {
    background-image: url(../img/practical8/banner.jpg);
    background-repeat: no-repeat;
    width: 98vw;
    display: flex;
    background-size: cover;
    height: 100vh;
    margin: 10px auto;
}

.banner-item {
    width: 98vh;
    margin: 0.5em;
    padding: 1em;
    color: white;
}

.banner-item h1 {
    font-size: 60px;
}

.box-title {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 30px;
    font-weight: 900;
    margin: 50px 15px 20px 15px;
    padding: 2px;
    font-family: Arial, Helvetica, sans-serif;
}

.section-1 {
    justify-content: center;
    align-items: center;
    /* border: red solid 3px; */
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.section-1 div {
    width: 220px;
    height: 220px;
    border-radius: 50%;
    display: inline-block;
    justify-content: center;
    align-items: center;
    margin: 10px 50px;
}

#team-member1 {
    background-image: url(../img/practical8/1.png);
    background-position: center;
}

#team-member2 {
    background-image: url(../img/practical8/2.png);
    background-position: center;
}

#team-member3 {
    background-image: url(../img/practical8/3.png);
    background-position: center;
}

#team-member4 {
    background-image: url(../img/practical8/9.png);
    background-position: center;
}

.section-2 {
    display: flex;
    flex-direction: row;
    height: 80vh;
    margin-top: 20px;
    margin-bottom: 10px;
    width: 98vw;
}

.section-2:after {
    content: '';
    display: block;
    clear: both;
}

.left-sidebar {
    background-color: rgb(51, 27, 24);
    color: white;
    font-size: 25px;
    margin: 5px;
    padding: 15px;
    overflow: hidden;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    width: 50%;
    height: 72vh;
    text-align: center;
    justify-content: center;
    align-items: center;
}

.right-sidebar {
    display: flex;
    flex-direction: column;
    width: 50%;
    height: 76vh;
    margin: 0px;
}

.right-sidebar #column1 {
    margin: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-image: url(../img/practical8/p1.jpg);
    color: rgb(54, 6, 226);
    height: 50vh;
    border-radius: 2px;
    border: 1px solid black
}

.right-sidebar #column2 {
    margin: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-image: url(../img/practical8/p2.jpeg);
    color: rgb(54, 6, 226);
    height: 50vh;
    border-radius: 2px;
    border: 1px solid black
}

.right-sidebar #column3 {
    margin: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-image: url(../img/practical8/p3.jpg);
    color: rgb(54, 6, 226);
    height: 50vh;
    border-radius: 2px;
    border: 1px solid black
}

.right-sidebar #column1:hover {
    box-shadow: 5px 5px 5px 5px grey;
}

.right-sidebar #column2:hover {
    box-shadow: 5px 5px 5px 5px grey;
}

.right-sidebar #column3:hover {
    box-shadow: 5px 5px 5px 5px grey;
}

.section-3 {
    justify-content: center;
    align-items: center;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.section-3:after {
    content: '';
    display: block;
    clear: both;
}

.box {
    float: left;
    width: 21%;
    height: auto;
    border: solid white 8px;
    align-content: center;
    background-color: white;
    border-radius: 10px;
    text-align: center;
    margin: 30px;
    padding-bottom: 20px;
    background-color: rgb(175, 173, 173);
    border: 20px;
}

.box a {
    text-decoration: none;
    background-color: red;
    padding: 10px 100px 10px 100px;
    border-radius: 10px;
    color: white;
    text-align: center;
}

.box a:hover {
    background-color: blue;
    text-decoration: solid;
    font-family: Arial, Helvetica, sans-serif;
}

.box a :visited {
    background-color: violet;
}

.box h3 {
    color: blue;
    font-family: Arial, Helvetica, sans-serif;
    font-weight: bolder;
}

.box p {
    width: 90%;
    height: auto;
    border-radius: 20px;
    padding: 0px 10px 0px 10px;
    margin-right: auto;
    margin-left: auto;
    overflow: hidden;
    color: white;
}

.box img {
    width: 95%;
    height: 200px;
    border-radius: 20px;
    padding: 5px 5px 0px 5px;
    margin: 5px auto 0px auto;
}

.footer {
    background-color: orchid;
    padding: 10px;
    justify-content: center;
    align-items: center;
    text-align: center;
    margin-right: auto;
    margin-left: auto;
    font-size: 15px;
    color: white;
}

.footer a {
    color: blue;
    text-decoration: none;
    font-size: 15px;
    font-weight: bolder;
}

.footer a:hover {
    color: greenyellow;
    animation: 2s;
    -webkit-animation: 2s;
    text-decoration: solid underline;
}