.knowledgeBg {
    width: 100%;
    height: 100%;
    background: #DDF2FF;
    padding: 16px;
    .content {
        padding: 16px;
        height: 100%;
        border-radius: 8px;
        background: #fff;
        overflow-y: scroll;
        &::-webkit-scrollbar
        {
            width:4px;
            background-color: transparent;
        }
        &::-webkit-scrollbar-thumb
        {
            min-height: 50px;
            border-radius:10px;
            background-color:#CBCBCB;
        }         
    }
}