The <div> does not accept input, so it cannot have :focus . Furthermore, CSS does not allow you to set styles on an element based on targeting ... ... <看更多>

正常focus 只有input,textarea,button 等等平常div 是沒有focus， ... nav with :focus-within [PURE CSS]查了一下是tabindex 關係由於這個很少用， ... ... <看更多>

In today's video I'll be showing you how to use the ":focus-within" CSS pseudo-class. By using this ... ... <看更多>

So, if you use chrome inspect, and force state of focus on the div, it will change color. enter image description here. ... <看更多>

chrisui commented on Jan 1, 2016. You can use css :) :focus { outline: 0; } off the ... ... <看更多>