how can I use hover in css ? error in my code i dont understand-CodePudding

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how can I use hover in css ? error in my code i dont understand

Time：08-07

why my hover doesnt work ? what should I do ?

CodePudding user response：

you should remove spaces. use this :

in line 34//

.nav-item:hover{ code }

CodePudding user response：

first define some style for .nav-item and then remove the space between class name and :