About hover failure after clicking

Today, after the click event is triggered, hover fails. The solution is as follows:
use !important directly

 ul li:hover{
    
    
    border: 1px solid #FEA015!important;
    background-color: #FEA015!important;
    color: #FFF!important;
    cursor: pointer;
}

If you are on simple css, it is not recommended to use !important, because !important permissions are too heavy, accounting for 1000, so use it with caution