chrome,firefox,safari,firefox,ie隐藏滚动条

.content {
    //ie
    /*隐藏滚动条，当IE下溢出，仍然可以滚动*/
    -ms-overflow-style:none;
    /*火狐下隐藏滚动条*/
    scrollbar-width: none;
}

//chrome,opera,safari

.content::-webkit-scrollbar {

    display:none
}