Pen Settings



CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URL's added here will be added as <link>s in order, and before the CSS in the editor. If you link to another Pen, it will include the CSS from that Pen. If the preprocessor matches, it will attempt to combine them before processing.

+ add another resource


Babel includes JSX processing.

Add External Scripts/Pens

Any URL's added here will be added as <script>s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.

+ add another resource


Add Packages

Search for and use JavaScript packages from npm here. By selecting a package, an import statement will be added to the top of the JavaScript editor for this package.


Save Automatically?

If active, Pens will autosave every 30 seconds after being saved once.

Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

Format on Save

If enabled, your code will be formatted when you actively save your Pen. Note: your code becomes un-folded during formatting.

Editor Settings

Code Indentation

Want to change your Syntax Highlighting theme, Fonts and more?

Visit your global Editor Settings.


                <div class="checks">
  <input type="checkbox" id="ex_chk"> 
  <label for="ex_chk">체크박스</label> 

<br />

<div class="checks small">
  <input type="checkbox" id="ex_chk2"> 
  <label for="ex_chk2">체크박스</label> 

<br />

<div class="checks etrans">
  <input type="checkbox" id="ex_chk3"> 
  <label for="ex_chk3">체크박스</label> 

<a href="" target="_blank" class="where">posted in webdir</a> 


                body {margin: 10px;}
.where {
  display: block;
  margin: 25px 15px;
  font-size: 11px;
  color: #000;
  text-decoration: none;
  font-family: verdana;
  font-style: italic;

.checks {position: relative;}

.checks input[type="checkbox"] {  /* 실제 체크박스는 화면에서 숨김 */
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  border: 0
.checks input[type="checkbox"] + label {
  display: inline-block;
  position: relative;
  cursor: pointer;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
.checks input[type="checkbox"] + label:before {  /* 가짜 체크박스 */
  content: ' ';
  display: inline-block;
  width: 21px;  /* 체크박스의 너비를 지정 */
  height: 21px;  /* 체크박스의 높이를 지정 */
  line-height: 21px; /* 세로정렬을 위해 높이값과 일치 */
  margin: -2px 8px 0 0;
  text-align: center; 
  vertical-align: middle;
  background: #fafafa;
  border: 1px solid #cacece;
  border-radius : 3px;
  box-shadow: 0px 1px 2px rgba(0,0,0,0.05), inset 0px -15px 10px -12px rgba(0,0,0,0.05);
.checks input[type="checkbox"] + label:active:before,
.checks input[type="checkbox"]:checked + label:active:before {
  box-shadow: 0 1px 2px rgba(0,0,0,0.05), inset 0px 1px 3px rgba(0,0,0,0.1);

.checks input[type="checkbox"]:checked + label:before {  /* 체크박스를 체크했을때 */ 
  content: '\2714';  /* 체크표시 유니코드 사용 */
  color: #99a1a7;
  text-shadow: 1px 1px #fff;
  background: #e9ecee;
  border-color: #adb8c0;
  box-shadow: 0px 1px 2px rgba(0,0,0,0.05), inset 0px -15px 10px -12px rgba(0,0,0,0.05), inset 15px 10px -12px rgba(255,255,255,0.1);

.checks.small input[type="checkbox"] + label {
  font-size: 12px;

.checks.small input[type="checkbox"] + label:before {
  width: 17px;
  height: 17px;
  line-height: 17px;
  font-size: 11px;

.checks.etrans input[type="checkbox"] + label {
  padding-left: 30px;
.checks.etrans input[type="checkbox"] + label:before {
  position: absolute;
  left: 0;
  top: 0;
  margin-top: 0;
  opacity: .6;
  box-shadow: none;
  border-color: #6cc0e5;
  -webkit-transition: all .12s, border-color .08s;
  transition: all .12s, border-color .08s;

.checks.etrans input[type="checkbox"]:checked + label:before {
  position: absolute;
  content: "";
  width: 10px;
  top: -5px;
  left: 5px;
  border-radius: 0;
  background: transparent;
  border-color:transparent #6cc0e5 #6cc0e5 transparent;

.no-csstransforms .checks.etrans input[type="checkbox"]:checked + label:before {
  content: "\2714";
  top: 0;
  left: 0;
  width: 21px;
  line-height: 21px;
  color: #6cc0e5;
  text-align: center;
  border: 1px solid #6cc0e5;