Top and Bottom scroll buttons 的评价
Top and Bottom scroll buttons 作者: Dm3
Firefox 用户 14655392 的评价
评分 5 / 5
来自 Firefox 用户 14655392, 5 年前Works perfectly. Like the fact you can change the size and transparency as well as positions to L, R, and Bottom. One further handy feature would enable a bottom position with the option of left bottom, right bottom to compliment the centre position.