    #open-chat{
    position: fixed;
    bottom: 50px;
    right: 50px;
    z-index: 99999;
    width: 55px;
    height: 55px;
    }
    .chat-btn {
        position: fixed;
        bottom: 20px;
        right: 20px;
        font-size:30px;
        animation-name:rotate_btn;
        animation-duration:10s;
        animation-iteration-count: 5;
    }
    .chat-container {
        width: 300px;
        position: fixed;
        bottom: 20px;
        right: 20px;
        background: #fff;
        border-radius: 10px;
        box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.2);
        padding: 10px;
        display: flex;
        flex-direction: column;
        z-index:9999;
    }
    .chat-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-weight: bold;
        margin-bottom: 10px;
    }
    .chat-box {
        min-height: 300px;
        max-height:70vh;
        overflow-y: auto;
        padding: 10px;
    }
    .chat-message {
        padding: 8px;
        margin: 5px 0;
        border-radius: 5px;
    }
    .bot {
        background: #e3f2fd;
        margin-right:10%;
    }
    .user {
        background: #c8e6c9;
        text-align: right;
        margin-left:10%;
    }
    .chat-container #user-input{
    }
    @keyframes rotate_btn{
        8%{    transform: rotate(0deg);}
        9%{transform: rotate(45deg);}
        10%{    transform: rotate(0deg);}
        11%{    transform: rotate(-45deg);}
        12%{    transform: rotate(0deg);}
        48%{    transform: rotate(0deg);}
        49%{transform: rotate(45deg);}
        50%{    transform: rotate(0deg);}
        51%{    transform: rotate(-45deg);}
        52%{    transform: rotate(0deg);}
        88%{    transform: rotate(0deg);}
        89%{transform: rotate(45deg);}
        90%{    transform: rotate(0deg);}
        91%{    transform: rotate(-45deg);}
        92%{    transform: rotate(0deg);}
    }