* {
    margin: 0;
    padding: 0;
}

header {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.topic {
    font-weight: bold;
}

nav {
    background-color: black;
    width: 100%;
}

nav ul {
    display: flex;
    justify-content: end;
    align-items: center;
    margin-right: 70px;

}

nav ul li {

    margin: 20px;
    list-style-type: none;
}

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

nav ul li a:hover {
    cursor: pointer;
    color: rgb(148, 146, 144);
}

.hero_section {
    background-image: url("img/1.jpg");
    background-size: cover;
    background-position: center;
    width: auto;
    height: 250px;
    display: flex;
    justify-content: start;
    align-items: center;
}

.subHead {
    margin-left: 50px;
    color: white;
    font-size: 18px;
}

.main_section {
    display: flex;
    justify-content:center;
    align-items: center;
    margin-top: 20px;
}

.left {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    width: 50%;
    height:75vh;

}
.left label{
    width: 80%;
}
.left label p{
    font-size:26px;
    padding:12px;
}

.right {
    width: 50%;
    height: 350px;
}
footer{
    height:80px;
    width: 100%;
    background-color: rgb(0, 0, 0);
    border: 0 0 1px 0 solid black;
    color: white;
    box-shadow: 2px 5px 6px 2px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.page_main{
    margin: 30px;
    display: flex;
    justify-content: space-evenly;

}
.first{
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
    height: 350px;
    width: 50%;
}
.second{
    width: 50%;
    height: 350px;
}
.heading{
    margin-bottom: 20px;
}
.container{
    margin: 100px;
    padding: 25px;
    width: 60%;
    height: 100%;
    font-size: 22px;
}
.def{
    margin: 25px;
}
ol li{
padding: 8px;
}
.content{
    margin-left: 50px;
}
.top{
    background-color: rgb(7, 7, 8);
    width: auto;
    height: 250px;
    display: flex;
    justify-content: start;
    align-items: center;
}
.afternav{
    margin-left: 50px;
    color: white;
    font-size: 18px;
}
.first p{
    padding:20px 70px 0 70px;
    font-size:26px;
}