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-过渡函数 transition-timing-function,<...图片...>
text-overflow:ellipsis;
overflow:hidden;
white-space:nowrap;
overflow:hidden;
white-space:nowrap;
2017-12-11
任务1 :li:nth-of-type(1)
任务2 :.slider .clearfix li a::after
任务3 .slider .clearfix li:nth-of-type(1) a::after
任务4 .slider .clearfix li a::before
任务5 .slider .clearfix li a:hover::before
任务6 img[id^=bg]:target
任务7 img:not(:target)
任务2 :.slider .clearfix li a::after
任务3 .slider .clearfix li:nth-of-type(1) a::after
任务4 .slider .clearfix li a::before
任务5 .slider .clearfix li a:hover::before
任务6 img[id^=bg]:target
任务7 img:not(:target)
2017-12-09