css 로만 이미지 슬라이더 만들기(뒤로,앞으로 버튼 존재)
<!DOCTYPE html>
<html lang="ko">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>bib</title>
<style>
html, body, div, span
, ul, ol, li
{margin:0; padding:0; box-sizing:border-box;}
label {box-sizing:border-box;}
ul, ol {list-style-type:none;}
.clearfloat:after {content:""; display:block; clear:both;}
/* input */
#input_slidebtn1, #input_slidebtn2, #input_slidebtn3, #input_slidebtn4 {display:none;}
#input_slidebtn1:checked~.imgslider_cont .cont_imgbox {margin-left:0;}
#input_slidebtn2:checked~.imgslider_cont .cont_imgbox {margin-left:-100%;}
#input_slidebtn3:checked~.imgslider_cont .cont_imgbox {margin-left:-200%;}
#input_slidebtn4:checked~.imgslider_cont .cont_imgbox {margin-left:-300%;}
/* 이미지박스 */
#imgslider {overflow:hidden; position:relative;}
#imgslider .imgslider_cont .cont_imgbox {width:400%; height:300px; transition:all 0.9s;}
.imgslider_cont .cont_imgbox li {float:left; width:25%; height:300px;}
.imgslider_cont .cont_imgbox li a {display:block; width:100%; height:100%;}
.imgslider_cont .cont_imgbox li:nth-child(1) {background-color:#333;}
.imgslider_cont .cont_imgbox li:nth-child(2) {background-color:#666;}
.imgslider_cont .cont_imgbox li:nth-child(3) {background-color:#999;}
.imgslider_cont .cont_imgbox li:nth-child(4) {background-color:#ccc;}
/* left right 버튼박스 */
#imgslider .imgslider_cont {position:relative;}
.imgslider_cont .cont_label_left, .imgslider_cont .cont_label_right {position:absolute; width:50px; height:50px; top:50%; transform:translate(0, -50%);}
.cont_label_left_inner label, .cont_label_right_inner label {position:absolute; width:50px; height:50px; top:0;left:0; z-index:1; cursor:pointer; background-color:#00f;}
.imgslider_cont .cont_label_left {left:0;}
.imgslider_cont .cont_label_left .cont_label_left_inner {position:relative; width:50px; height:50px; z-index:2;}
.imgslider_cont .cont_label_right {right:0;}
.imgslider_cont .cont_label_right .cont_label_right_inner {position:relative; width:50px; height:50px; z-index:2;}
/* left right 버튼실행 */
#input_slidebtn1:checked~.imgslider_cont .cont_label_left_inner label:nth-child(4) {z-index:2;}
#input_slidebtn1:checked~.imgslider_cont .cont_label_right_inner label:nth-child(2) {z-index:2;}
#input_slidebtn2:checked~.imgslider_cont .cont_label_left_inner label:nth-child(1) {z-index:2;}
#input_slidebtn2:checked~.imgslider_cont .cont_label_right_inner label:nth-child(3) {z-index:2;}
#input_slidebtn3:checked~.imgslider_cont .cont_label_left_inner label:nth-child(2) {z-index:2;}
#input_slidebtn3:checked~.imgslider_cont .cont_label_right_inner label:nth-child(4) {z-index:2;}
#input_slidebtn4:checked~.imgslider_cont .cont_label_left_inner label:nth-child(3) {z-index:2;}
#input_slidebtn4:checked~.imgslider_cont .cont_label_right_inner label:nth-child(1) {z-index:2;}
/* 하단 레이블 */
#imgslider .imgslider_labels {position:absolute; bottom:20px;left:50%; transform:translate(-50%, 0);}
.imgslider_labels label {float:left; margin:0 5px 0 0; width:20px; height:20px; border:2px solid #f00; border-radius:50%; cursor:pointer;}
.imgslider_labels label:last-child {margin:0 0 0 0;}
#input_slidebtn1:checked~.imgslider_labels label:nth-child(1) {background-color:#f00;}
#input_slidebtn2:checked~.imgslider_labels label:nth-child(2) {background-color:#f00;}
#input_slidebtn3:checked~.imgslider_labels label:nth-child(3) {background-color:#f00;}
#input_slidebtn4:checked~.imgslider_labels label:nth-child(4) {background-color:#f00;}
</style>
</head>
<body>
<div id="imgslider">
<input type="radio" name="slidebtn" id="input_slidebtn1" checked />
<input type="radio" name="slidebtn" id="input_slidebtn2" />
<input type="radio" name="slidebtn" id="input_slidebtn3" />
<input type="radio" name="slidebtn" id="input_slidebtn4" />
<div class="imgslider_cont">
<ul class="cont_imgbox clearfloat">
<li><a href="#"></a></li>
<li><a href="#"></a></li>
<li><a href="#"></a></li>
<li><a href="#"></a></li>
</ul>
<div class="cont_label_left">
<div class="cont_label_left_inner">
<label for="input_slidebtn1"></label>
<label for="input_slidebtn2"></label>
<label for="input_slidebtn3"></label>
<label for="input_slidebtn4"></label>
</div>
</div>
<div class="cont_label_right">
<div class="cont_label_right_inner">
<label for="input_slidebtn1"></label>
<label for="input_slidebtn2"></label>
<label for="input_slidebtn3"></label>
<label for="input_slidebtn4"></label>
</div>
</div>
</div>
<div class="imgslider_labels clearfloat">
<label for="input_slidebtn1"></label>
<label for="input_slidebtn2"></label>
<label for="input_slidebtn3"></label>
<label for="input_slidebtn4"></label>
</div>
</div>
</body>
</html>
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포인트는
input type=radio 의 checkd 선택자와
~ 형제선택자를 이용하는것임.