I cant animate the :after of my ul. Here is the code in css:
#slider .mypagination ul::after
{
    content: "";
    width:25%;
    bottom: 0;
    left:0;
    position: absolute;
    border-top:1px solid #7accc8;
    transition:0.3s;
}
and this is my jquery codes
$(".mypagination li").click(function(){
    $("#slider .mypagination ul:after").css({
        "left":"100px"
    },300);
})
the click is working. i test it using console.log("click").
Can anyone help me...
 
    