Answers for "how go over all object in a div css"

jquery loop through each child element

$('#mydiv').children('input').each(function () {
    alert(this.value); // "this" is the current element in the loop
});

javascrip for each element of class

var slides = document.getElementsByClassName("slide");
for (var i = 0; i < slides.length; i++) {
   Distribute(slides.item(i));
}