Вы можете найти ответ в этом правиле CSS. Вы не можете переопределить стили по умолчанию для большинства входных данных формы, и один из наиболее часто используемых обходных путей - это преобразование этих элементов в более простые для стиля (например, div
).
select:-internal-list-box option:checked {
background-color: -internal-inactive-list-box-selection !important;
color: -internal-inactive-list-box-selection-text !important;
}
Больше информации здесь: https://developer.mozilla.org/en-US/docs/Learn/HTML/Forms/Styling_HTML_forms
Вы также можете увидеть это thread: Как переопределить стили по умолчанию для множественного элемента select
Я синхронизирую переполненный div с помощью следующего кода:
frame1.onscroll = function(e) {
frame2.scrollTop = frame1.scrollTop;
frame2.scrollLeft = frame1.scrollLeft;
};
Хотя это работает для div, оно не работает для iframes.
Вот что вы можете сделать,
$($('#iframe1').contents()).scroll(function(){
$($('#iframe2').contents()).scrollTop($(this).scrollTop());
});
С помощью события прокрутки jQuery вы сможете синхронизировать их.
Редактировать : Не требуется никаких плагинов. Вот код, который работал для меня:
<html>
<head>
<SCRIPT language="javascript" type="text/javascript" src="jquery-1.3.2.js"></SCRIPT>
<SCRIPT>
$(document).ready(function()
{
$("#div1").scroll(function () {
$("#div2").scrollTop($("#div1").scrollTop());
$("#div2").scrollLeft($("#div1").scrollLeft());
});
$("#div2").scroll(function () {
$("#div1").scrollTop($("#div2").scrollTop());
$("#div1").scrollLeft($("#div2").scrollLeft());
});
});
</SCRIPT>
</head>
<body>
<div id="div1" style="overflow:auto;height:100px;width:200px;border:1px solid black;">
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</div>
<div id="div2" style="overflow:auto;height:100px;width:200px;border:1px solid black;">
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</div>
</body>
</html>