#outer {
    height: 2000px;
    width: 1500px;
    margin: 0px auto;


    #ou1 {
        height: 350px;
        width: 350px;
        margin-right: 10px;

    }

    #ou2 {
        height: 350px;
        width: 350px;
    }

    #ou3 {
        height: 350px;
        width: 1100px;
        display: block;
    }

    #c1 {
        height: 350px;
        width: 350px;
        border-radius: 200px 200px 0px 200px;
        background-color: lightblue;
    }

    #c2 {
        height: 350px;
        width: 350px;
        border-radius: 200px 200px 200px 0px;
        background-color: lightgreen;
    }

    #c3 {
        height: 350px;
        width: 350px;

    }

    #main {
        display: flex;
        width: 1500px;
        height: 350px;
    }

    #o1 {
        width: 780px;
        height: 100px;
        text-align: right;
    }

    #o2 {
        width: 780px;
        height: 100px;
        text-align: right;
    }

    #o3 {
        margin-top: 25px;
        width: 780px;
        height: 100px;
        font-size: 30px;
        text-align: center;
        color: darkblue;
    }

    #main2 {
        margin-top: 15px;
        height: 350px;
        width: 1500px;
        display: flex;
    }

    #ml {
        margin-top: -26px;
        width: 350px;
        height: 350px;
        background-color: cyan;
        border-radius: 200px 0px 200px 200px;
        text-align: right;
        font-size: 20px;
    }

    #mr {
        margin-left: 10px;
        background-color: lightgrey;
        height: 350px;
        width: 1140px;
        display: block;
        background-image: url("../img/T18.jpg");
        background-size: cover;
    }

    #c4 {
        margin-top: -22px;
        width: 350px;
        height: 350px;
        background-color: lightblue;
        border-radius: 0px 200px 200px 200px;
        font-size: 20px;
    }

    #box2 {
        height: 1500px;
        width: 360px;
        float: left;
    }

    #box3 {
        height: 1490px;
        width: 1140px;
        float: right;
        display: block;
        background-color: lightblue;
    }

    #main3 {
        display: flex;
        height: 1500px;
        width: 1500px;
        border: 1px solid;
    }

    #b1 {
        padding: 18px;
        height: 60px;
        width: 360px;
        background-color: lightpink;
        font-size: 14px;
    }

    #b2 {
        padding: 20px;
        height: 60px;
        width: 1100px;
        background-color: cyan;
        font-family: cursive;
    }

    #b3 {
        padding: 20px;
        height: 1360px;
        width: 320px;
        background-color: lightgrey;
    }

    #b4 {
        display: flex;
        height: 700px;
        width: 1100px;
        background-color: lightgreen;
        padding: 20px;
    }

    .b5 {
        height: 650px;
        width: 330px;
        margin: 20px;
        background-color: lightyellow;
        font-size: 20px;
        text-align: justify;
    }

    #b6 {
        height: 1350px;
        width: 320px;
        background-color: lightblue;
        font-size: 20px;
        text-align: justify;

    }

    #b7 {
        font-size: 25px;
        padding: 20px;
        padding-top: 0px;
        height: 40px;
        width: 1040px;
        background-color: lightblue;
    }

    #b8 {
        padding: 40px;
        height: 370px;
        width: 1055px;
        background-color: cyan;
        border: 2px solid;
        font-size: 20px;
        text-align: justify;
    }

    #b9 {
        padding: 20px;
        height: 70px;
        width: 1100px;
        background-color: yellow;
    }