margin-top: 50px;
        width:100px;
        height:200px;
        position: fixed;
        top:50%;
        left: 50%;
        transform: translate(-50%);
        background-color: lightgreen;
    }
    .topCircle,.botCircle{
        width:100%;
        height: 50px;
        border-radius: 50%;
        background-color:#333;
        position: absolute;
        top:-25px;
        left: 0;
    }
    .botCircle{
        top:100%;
        transform: translateY(-25px);
    }
    .bitong::after{
        content:'';
        position: absolute;
        bottom:5px;
        left:50%;
        height: 120%;
        width:10px;
        background:lightblue;
        border-radius: 5px;
        transform: rotate(15deg);
        box-shadow: 1px 2px 2px;
    }
    .bitong::before{
        content:'';
        position: absolute;
        top:-21%;
        right:-15%;
        height: 10px;
        width:30px;
        background:lightblue;
        border-radius:0 5px 5px 0;
        box-shadow: 2px 1px 2px;
        z-index:999;
    }
</style>