<script>
( function( $ ) {
    $( document ).ready( function() {
        var blurbs = $( '.wpc-blurb' ),
            circles = $( '.et_pb_circle_counter canvas' );
        blurbs.each( function() {

            $( this )
                .mouseenter( function() {
                    var id = $( this ).attr( 'id' ).slice( -1 );
                    circles.each( function() {
                        $( this ).css( 'opacity', 0.4 );
                    } )
                    $( '#circle' + id + ' canvas' ).css( 'opacity', 1 );
                } )
                .mouseleave( function() {
                    return
                } )

        } )
    } );
} )( jQuery );
</script>