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HTML

              
                <h1><i class="fa fa-check"></i>CSS & jQuery To Do Checklist</h1>
<form id="todo-list">
  <span class="todo-wrap">
    <input type="checkbox" id="1" checked/>
    <label for="1" class="todo">
      <i class="fa fa-check"></i>
      Have a good idea
    </label>
    <span class="delete-item" title="remove">
      <i class="fa fa-times-circle"></i>
    </span>
  </span>
  <span class="todo-wrap">
    <input type="checkbox" id="2"/>
    <label for="2" class="todo">
      <i class="fa fa-check"></i>
      Plan idea execution
    </label>
    <span class="delete-item" title="remove">
      <i class="fa fa-times-circle"></i>
    </span>
  </span>
  <span class="todo-wrap">
    <input type="checkbox" id="3"/>
    <label for="3" class="todo">
      <i class="fa fa-check"></i>
      Execute idea
    </label>
    <span class="delete-item" title="remove">
      <i class="fa fa-times-circle"></i>
    </span>
  </span>
	<span class="todo-wrap">
    <input type="checkbox" id="4"/>
    <label for="4" class="todo">
      <i class="fa fa-check"></i>
      Celebrate with a cold one
    </label>
    <span class="delete-item" title="remove">
      <i class="fa fa-times-circle"></i>
    </span>
  </span>
  <div id="add-todo">
    <i class="fa fa-plus"></i>
    Add an Item
  </div>
</form>
              
            
!

CSS

              
                *{
/*transition*/
-webkit-transition:.25s ease-in-out;
   -moz-transition:.25s ease-in-out;
     -o-transition:.25s ease-in-out;
        transition:.25s ease-in-out;
font-family:helvetica neue,helvetica,arial,sans-serif;
font-size:18px;
line-height:18px;
box-sizing:border-box;
margin:0;
}
body{
background:#f8f8f8;
}
h1{
text-align:center;
padding:50px 0;
font-size:30px;
margin:0;
font-weight:200;
color:#454545;
}
h1 .fa-check{
font-size:30px;
margin-right:10px;
color:#0eb0b7;
}
#todo-list{
width:500px;
margin:0 auto 50px auto;
padding:50px;
background:white;
position:relative;
/*box-shadow*/
-webkit-box-shadow:0 1px 4px rgba(0, 0, 0, 0.3);
   -moz-box-shadow:0 1px 4px rgba(0, 0, 0, 0.3);
        box-shadow:0 1px 4px rgba(0, 0, 0, 0.3);
/*border-radius*/
-webkit-border-radius:5px;
   -moz-border-radius:5px;
        border-radius:5px;
}
#todo-list:before{
content:"";
position:absolute;
z-index:-1;
/*box-shadow*/
-webkit-box-shadow:0 0 20px rgba(0,0,0,0.4);
   -moz-box-shadow:0 0 20px rgba(0,0,0,0.4);
        box-shadow:0 0 20px rgba(0,0,0,0.4);
top:50%;
bottom:0;
left:10px;
right:10px;
/*border-radius*/
-webkit-border-radius:100px / 10px;
   -moz-border-radius:100px / 10px;
        border-radius:100px / 10px;
}
.todo-wrap{
display:block;
position:relative;
padding-left:35px;
/*box-shadow*/
-webkit-box-shadow:0 2px 0 -1px #ebebeb;
   -moz-box-shadow:0 2px 0 -1px #ebebeb;
        box-shadow:0 2px 0 -1px #ebebeb;
}
.todo-wrap:last-of-type{
/*box-shadow*/
-webkit-box-shadow:none;
   -moz-box-shadow:none;
        box-shadow:none;
}
input[type="checkbox"]{
position:absolute;
height:0;
width:0;
opacity:0;
top:-600px;
}
.todo{
display:inline-block;
font-weight:200;
padding:10px 5px;
height:37px;
position:relative;
}
.todo:before{
content:'';
display:block;
position:absolute;
top:calc(50% + 2px);
left:0;
width:0%;
height:1px;
background:#cd4400;
/*transition*/
-webkit-transition:.25s ease-in-out;
   -moz-transition:.25s ease-in-out;
     -o-transition:.25s ease-in-out;
        transition:.25s ease-in-out;
}
.todo:after{
content:'';
display:block;
position:absolute;
z-index:0;
height:18px;
width:18px;
top:9px;
left:-25px;
/*box-shadow*/
-webkit-box-shadow:inset 0 0 0 2px #d8d8d8;
   -moz-box-shadow:inset 0 0 0 2px #d8d8d8;
        box-shadow:inset 0 0 0 2px #d8d8d8;
/*transition*/
-webkit-transition:.25s ease-in-out;
   -moz-transition:.25s ease-in-out;
     -o-transition:.25s ease-in-out;
        transition:.25s ease-in-out;
/*border-radius*/
-webkit-border-radius:4px;
   -moz-border-radius:4px;
        border-radius:4px;
}
.todo:hover:after{
/*box-shadow*/
-webkit-box-shadow:inset 0 0 0 2px #949494;
   -moz-box-shadow:inset 0 0 0 2px #949494;
        box-shadow:inset 0 0 0 2px #949494;
}
.todo .fa-check{
position:absolute;
z-index:1;
left:-31px;
top:0;
font-size:1px;
line-height:36px;
width:36px;
height:36px;
text-align:center;
color:transparent;
text-shadow:1px 1px 0 white, -1px -1px 0 white;
}
:checked + .todo{
color:#717171;
}
:checked + .todo:before{
width:100%;
}
:checked + .todo:after{
/*box-shadow*/
-webkit-box-shadow:inset 0 0 0 2px #0eb0b7;
   -moz-box-shadow:inset 0 0 0 2px #0eb0b7;
        box-shadow:inset 0 0 0 2px #0eb0b7;
}
:checked + .todo .fa-check{
font-size:20px;
line-height:35px;
color:#0eb0b7;
}
/* Delete Items */

.delete-item{
display:block;
position:absolute;
height:36px;
width:36px;
line-height:36px;
right:0;
top:0;
text-align:center;
color:#d8d8d8;
opacity:0;
}
.todo-wrap:hover .delete-item{
opacity:1;
}
.delete-item:hover{
color:#cd4400;
}
/* Add Items */

#add-todo{
padding:25px 0 0 0;
font-size:14px;
font-weight:200;
color:#d8d8d8;
display:inline-block;
cursor:pointer;
}
#add-todo:hover{
color:#6bc569;
/*transition*/
-webkit-transition:none;
   -moz-transition:none;
     -o-transition:none;
        transition:none;
}
#add-todo .fa-plus{
font-size:14px;
/*transition*/
-webkit-transition:none;
   -moz-transition:none;
     -o-transition:none;
        transition:none;
}
.input-todo{
border:none;
outline:none;
font-weight:200;
position:relative;
top:-1px;
margin:0;
padding:0;
width:100%;
}
.editing{
  height:0;
  overflow:hidden;
}

.editing.todo-wrap {
  box-shadow:0 0 400px rgba(0,0,0,.8),inset 0 0px 0 2px #ebebeb;
}

              
            
!

JS

              
                // add items
$('#add-todo').click(function(){
  var lastSibling = $('#todo-list > .todo-wrap:last-of-type > input').attr('id');
  var newId = Number(lastSibling) + 1;
      
  $(this).before('<span class="editing todo-wrap"><input type="checkbox" id="'+newId+'"/><label for="'+newId+'" class="todo"><i class="fa fa-check"></i><input type="text" class="input-todo" id="input-todo'+newId+'"/></label></div>');
  $('#input-todo'+newId+'').parent().parent().animate({
    height:"36px"
  },200)
  $('#input-todo'+newId+'').focus();
  
	$('#input-todo'+newId+'').enterKey(function(){
    $(this).trigger('enterEvent');
  })
  
  $('#input-todo'+newId+'').on('blur enterEvent',function(){
    var todoTitle = $('#input-todo'+newId+'').val();
    var todoTitleLength = todoTitle.length;
    if (todoTitleLength > 0) {
      $(this).before(todoTitle);
      $(this).parent().parent().removeClass('editing');
      $(this).parent().after('<span class="delete-item" title="remove"><i class="fa fa-times-circle"></i></span>');
      $(this).remove();
      $('.delete-item').click(function(){
        var parentItem = $(this).parent();
        parentItem.animate({
          left:"-30%",
          height:0,
          opacity:0
        },200);
        setTimeout(function(){ $(parentItem).remove(); }, 1000);
      });
    }
    else {
      $('.editing').animate({
        height:'0px'
      },200);
      setTimeout(function(){
        $('.editing').remove()
      },400)
    }
  })

});

// remove items 

$('.delete-item').click(function(){
  var parentItem = $(this).parent();
  parentItem.animate({
    left:"-30%",
    height:0,
    opacity:0
  },200);
  setTimeout(function(){ $(parentItem).remove(); }, 1000);
});

// Enter Key detect

$.fn.enterKey = function (fnc) {
    return this.each(function () {
        $(this).keypress(function (ev) {
            var keycode = (ev.keyCode ? ev.keyCode : ev.which);
            if (keycode == '13') {
                fnc.call(this, ev);
            }
        })
    })
}
              
            
!
999px

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