.text-scroll {
    height: 21em;
    line-height: 1em;
    overflow-x: hidden;
    overflow-y: scroll;
    width: 100%;
    font-family: "Open Sans", Arial, sans-serif;
    line-height: 1.6;
    padding-right: 10px;
}

    .text-scroll::-webkit-scrollbar {
        width: 8px;
        background-color: #f5f5f5;
    }

    .text-scroll::-webkit-scrollbar-thumb {
        background-color: #888;
        border-radius: 4px;
    }

        .text-scroll::-webkit-scrollbar-thumb:hover {
            background-color: #555;
        }