I'm trying to create a css rule to change the background color of an input if it is required, but bot disabled or in focus. ... <看更多>

... override the variable @focus__box-shadow in your variable.less in your theme. In your theme folder /web/css/source/_variable.less set ... <看更多>

In this quick tip, I'm going to show you how to create better focus styles with a CSS pseudo-class called : focus -visible. ... <看更多>

In short: you can do the opposite of what you want: Add disabled styles if the button is disabled. These will "cancel" any hover/focus ... ... <看更多>

... 和:focus. The target pseudo-classes：:target; UI element states pseudo-classes. :enabled & :disabled pseudo-class; :checked pseudo-class. ... <看更多>