@mixin commonLink{
    @apply px-2 py-2 truncate cursor-pointer block mx-1;
   
} 
 // link 编译完是 a 标题
.link{
    @include commonLink;
   
}


.active{
    @include commonLink;
    // mx-1 外边距
    @apply bg-orange-400 text-white rounded-md;
}