SOURCE

(function($) {

  /* Select the checkbox */
  var checkList = $('.check'),
      toDoCheck = checkList.children('input[type="checkbox"]');

  /* Check out whether checkbox is checked, and add 'task-checked' class to
    the closest <li> item
  */
  toDoCheck.each(function(index, element) {
    var $this = $(element),
        taskItem = $this.closest('li');

    $this.on('click', function(e) {
       taskItem.toggleClass('task-checked');
    });
  });

})(jQuery);

<main>
  <header>
    <span><i class="fa fa-arrow-left"></i><span class="sr-only">Back</span></span>
    <h3>Today</h3>
    <div class="task-indicators">
      <span>5</span>
      <span><i class="fa fa-check"></i>12</span>
    </div>
  </header>

  <section class="task-list current">
    <h2>Do it now!</h2>
    <ul>
      <li>
        <div class="checkbox">
          <div class="check">
            <input type="checkbox" name="task_00">
            <div class="ripple-container">
              <div class="check-off"></div>
              <div class="check-on"><i class="fa fa-check"></i></div>
              <div class="check-ripple"></div>
            </div>
          </div>
          <div class="label">
            <mark>Cool task</mark>
            <br>
            <time datetime="05-12-2016">12 March 2016 - h 9:30 am</time>
          </div>
        </div>
        <span class="task-msg">Well done!</span>
      </li>
      <li>
        <div class="checkbox">
          <div class="check">
            <input type="checkbox" name="task_00">
            <div class="ripple-container">
              <div class="check-off"></div>
              <div class="check-on"><i class="fa fa-check"></i></div>
              <div class="check-ripple"></div>
            </div>
          </div>
          <div class="label">
            <mark>Cool task</mark>
            <br>
            <time datetime="05-12-2016">12 March 2016 - h 9:30 am</time>
          </div>
        </div>
        <span class="task-msg">Well done!</span>
      </li>
      <li>
        <div class="checkbox">
          <div class="check">
            <input type="checkbox" name="task_01">
            <div class="ripple-container">
              <div class="check-off"></div>
              <div class="check-on"><i class="fa fa-check"></i></div>
              <div class="check-ripple"></div>
            </div>
          </div>
          <div class="label">
            <mark>Another task which takes more than one line</mark>
            <br>
            <time datetime="05-12-2016">12 March 2016</time>
          </div>
        </div>
        <span class="task-msg">Well done!</span>
      </li>
      <li>
        <div class="checkbox">
          <div class="check">
            <input type="checkbox" name="task_02">
            <div class="ripple-container">
              <div class="check-off"></div>
              <div class="check-on"><i class="fa fa-check"></i></div>
              <div class="check-ripple"></div>
            </div>
          </div>
          <div class="label">
            <mark>Cool task</mark>
            <br>
            <time datetime="05-12-2016">12 March 2016</time>
          </div>
        </div>
        <span class="task-msg">Well done!</span>
      </li>
    </ul>
  </section>

  <section class="task-list notcurrent">
    <h3>Do it later</h3>
    <ul>
      <li>
        <div class="checkbox">
          <div class="check">
            <input type="checkbox" name="task_03">
            <div class="ripple-container">
              <div class="check-off"></div>
              <div class="check-on"><i class="fa fa-check"></i></div>
              <div class="check-ripple"></div>
            </div>
          </div>
          <div class="label">
            <mark>Cool task</mark>
            <br>
            <time datetime="05-12-2016">12 March 2016</time>
          </div>
        </div>
        <span class="task-msg">Well done!</span>
      </li>
      <li>
        <div class="checkbox">
          <div class="check">
            <input type="checkbox" name="task_03">
            <div class="ripple-container">
              <div class="check-off"></div>
              <div class="check-on"><i class="fa fa-check"></i></div>
              <div class="check-ripple"></div>
            </div>
          </div>
          <div class="label">
            <mark>Cool task</mark>
            <br>
            <time datetime="05-12-2016">12 March 2016</time>
          </div>
        </div>
        <span class="task-msg">Well done!</span>
      </li>
      <li>
        <div class="checkbox">
          <div class="check">
            <input type="checkbox" name="task_04">
            <div class="ripple-container">
              <div class="check-off"></div>
              <div class="check-on"><i class="fa fa-check"></i></div>
              <div class="check-ripple"></div>
            </div>
          </div>
          <div class="label">
            <mark>Cool task</mark>
            <br>
            <time datetime="05-12-2016">12 March 2016</time>
          </div>
        </div>
        <span class="task-msg">Well done!</span>
      </li>
    </ul>
  </section>
</main>

/*
Photo credits: https://stocksnap.io/
Pen inspired by Radek Skrzypczak Dribbble. Check it out: https://dribbble.com/shots/2516608-Completed-task-animation
*/
body {
  background-color: #FFF;
  font-family: "Open Sans", sans-serif;
  font-size: 14px;
}

html *, body * {
  box-sizing: border-box;
  -webkit-box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

main {
  width: 90%;
  max-width: 425px;
  margin: 30px auto;
  background-color: #1C1D1F;
  position: relative;
  z-index: 0;
}
main header {
  text-align: justify;
  color: #FFF;
  line-height: 0;
  padding: 10px 5%;
  position: relative;
}
main header span, main header h3, main header .task-indicators {
  display: inline-block;
  width: auto;
  line-height: 1.5;
}
main header h3 {
  -webkit-transform: translateX(-50%);
  -moz-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  -o-transform: translateX(-50%);
  transform: translateX(-50%);
  position: absolute;
  left: 50%;
  font-weight: 400;
}
main header .task-indicators {
  font-size: 12px;
}
main header .task-indicators span {
  padding: 0 8px;
  border-radius: 2px;
  border: 1px solid currentColor;
  display: inline-block;
  margin-left: 5px;
}
main header .task-indicators span:nth-child(1) {
  color: #F75851;
}
main header .task-indicators span:nth-child(2) {
  color: #ac9e9e;
}
main header .task-indicators span:nth-child(2) i[class*="fa-"] {
  padding-right: 3px;
}
main header:after {
  content: '';
  display: inline-block;
  width: 100%;
}

header {
  background-color: #1C1D1F;
}

mark {
  background-color: transparent;
}

h2 {
  font-size: 21px;
}

.checkbox {
  text-align: justify;
  direction: rtl;
  position: relative;
  line-height: 0;
}
.checkbox:after {
  content: '';
  width: 100%;
  display: inline-block;
}
.checkbox input, .checkbox .label, .checkbox .check {
  display: inline-block;
  vertical-align: middle;
}
.checkbox .label {
  max-width: 200px;
}
.checkbox .check {
  position: relative;
}
.checkbox input[type="checkbox"] {
  opacity: 0;
  width: 100%;
  height: 100%;
  position: absolute;
  cursor: pointer;
}
.checkbox input[type="checkbox"]:focus {
  outline: 0;
}
.checkbox input[type="checkbox"]:checked + .ripple-container .check-off {
  border-color: #FFF;
}
.checkbox input[type="checkbox"]:checked + .ripple-container .check-on {
  -webkit-transform: scale(0.8);
  -moz-transform: scale(0.8);
  -ms-transform: scale(0.8);
  -o-transform: scale(0.8);
  transform: scale(0.8);
  -webkit-transition: -webkit-transform 0.3s;
  -moz-transition: -moz-transform 0.3s;
  transition: transform 0.3s;
  color: #FFF;
}
.checkbox input[type="checkbox"]:checked + .ripple-container .check-ripple:before, .checkbox input[type="checkbox"]:checked + .ripple-container .check-ripple:after {
  -webkit-transition: all 0.65s cubic-bezier(0.25, 0.8, 0.25, 1);
  -moz-transition: all 0.65s cubic-bezier(0.25, 0.8, 0.25, 1);
  transition: all 0.65s cubic-bezier(0.25, 0.8, 0.25, 1);
  opacity: 0;
}
.checkbox input[type="checkbox"]:checked + .ripple-container .check-ripple:before {
  -webkit-transform: scale(3);
  -moz-transform: scale(3);
  -ms-transform: scale(3);
  -o-transform: scale(3);
  transform: scale(3);
}
.checkbox input[type="checkbox"]:checked + .ripple-container .check-ripple:after {
  -webkit-transform: scale(1.5);
  -moz-transform: scale(1.5);
  -ms-transform: scale(1.5);
  -o-transform: scale(1.5);
  transform: scale(1.5);
}
.checkbox input[type="checkbox"] + .ripple-container {
  width: auto;
  position: relative;
  display: inline-block;
  width: 25px;
  height: 25px;
  top: 2px;
  pointer-events: none;
}
.checkbox input[type="checkbox"] + .ripple-container:before {
  content: '';
  position: absolute;
  border-radius: 2px;
  display: block;
  height: auto;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  transition: all 0.5s;
}
.checkbox input[type="checkbox"] + .ripple-container .check-off {
  position: absolute;
  width: 25px;
  height: 25px;
  left: 0;
  top: 0;
  border-radius: 2px;
  border: 2px solid #fa9e9a;
  transition: border-color ease 0.28s;
}
.checkbox input[type="checkbox"] + .ripple-container .check-on {
  -webkit-transform: scale(0);
  -moz-transform: scale(0);
  -ms-transform: scale(0);
  -o-transform: scale(0);
  transform: scale(0);
  -webkit-transition: all 0s;
  -moz-transition: all 0s;
  transition: all 0s;
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  text-align: center;
  line-height: 25px;
}
.checkbox input[type="checkbox"] + .ripple-container .check-ripple:before, .checkbox input[type="checkbox"] + .ripple-container .check-ripple:after {
  -webkit-transition: all 0s;
  -moz-transition: all 0s;
  transition: all 0s;
  -webkit-transform: scale(0);
  -moz-transform: scale(0);
  -ms-transform: scale(0);
  -o-transform: scale(0);
  transform: scale(0);
  content: '';
  position: absolute;
  display: block;
  border-radius: 50%;
  width: 25px;
  height: 25px;
  opacity: 1;
}
.checkbox input[type="checkbox"] + .ripple-container .check-ripple:before {
  background-color: rgba(255, 255, 255, 0.35);
}
.checkbox input[type="checkbox"] + .ripple-container .check-ripple:after {
  background-color: rgba(219, 213, 213, 0.6);
}

.task-list {
  position: relative;
  color: #FFF;
  padding: 15px 25px;
}
.task-list mark {
  color: #FFF;
  display: inline-block;
  margin-bottom: 3px;
}
.task-list time {
  font-weight: 300;
  font-size: 12px;
}
.task-list h2 {
  margin: 10px 0;
  font-weight: 700;
}
.task-list h3 {
  margin: 0 0 10px;
  text-align: center;
  text-transform: uppercase;
  color: #989ba2;
  font-size: 14px;
  font-weight: 400;
}
.task-list ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  position: relative;
  z-index: 1;
}
.task-list ul li {
  -webkit-transition: all 0.2s ease-out;
  -moz-transition: all 0.2s ease-out;
  transition: all 0.2s ease-out;
  padding: 15px 0;
  position: relative;
  /* CHECKED STYLE */
}
.task-list ul li .label {
  -webkit-transition: all 0.2s ease-out;
  -moz-transition: all 0.2s ease-out;
  transition: all 0.2s ease-out;
  margin-bottom: 2px;
  line-height: 1.2;
  direction: ltr;
  text-align: left;
  opacity: 1;
}
.task-list ul li .task-msg {
  -webkit-transform: translate3d(0, -50%, 0);
  -moz-transform: translate3d(0, -50%, 0);
  -ms-transform: translate3d(0, -50%, 0);
  -o-transform: translate3d(0, -50%, 0);
  transform: translate3d(0, -50%, 0);
  right: 40px;
  top: 47%;
  position: absolute;
  text-transform: uppercase;
  font-size: 12px;
  opacity: 0;
}
.task-list ul li.task-checked .task-msg {
  -webkit-animation: fadeInOut 2s;
  -moz-animation: fadeInOut 2s;
  animation: fadeInOut 2s;
}
.task-list ul li.task-checked .label {
  opacity: 0.5;
}
.task-list.current {
  background-color: #d62b31;
  background-image: -webkit-linear-gradient(-315deg, #d62b31 0%, #f75851 100%);
  background-image: linear-gradient(45deg,#d62b31 0%, #f75851 100%);
  z-index: 1;
}
.task-list.current ul li {
  border-top: 1px solid #f86f69;
}
.task-list.current:after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.1;
  z-index: 0;
  background-image: url("https://snap-photos.s3.amazonaws.com/img-thumbs/960w/XNZTUL720T.jpg");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}
.task-list.notcurrent {
  color: white;
  background-color: #1C1D1F;
}
.task-list.notcurrent ul li {
  border-top: 1px solid #34363a;
}
.task-list.notcurrent ul, .task-list.notcurrent mark {
  color: #71757d;
}
.task-list.notcurrent .checkbox input[type="checkbox"] + .ripple-container .check-off {
  border: 2px solid #FFF;
}

@-webkit-keyframes fadeInOut {
  0% {
    opacity: 0;
    -webkit-transform: translate3d(10px, -50%, 0);
  }
  30% {
    opacity: 1;
    -webkit-transform: translate3d(0, -50%, 0);
  }
  75% {
    opacity: 1;
    -webkit-transform: translate3d(0, -50%, 0);
  }
  100% {
    opacity: 0;
    -webkit-transform: translate3d(-10px, -50%, 0);
  }
}
@-moz-keyframes fadeInOut {
  0% {
    opacity: 0;
    -moz-transform: translate3d(10px, -50%, 0);
  }
  30% {
    opacity: 1;
    -moz-transform: translate3d(0, -50%, 0);
  }
  75% {
    opacity: 1;
    -moz-transform: translate3d(0, -50%, 0);
  }
  100% {
    opacity: 0;
    -moz-transform: translate3d(-10px, -50%, 0);
  }
}
@keyframes fadeInOut {
  0% {
    opacity: 0;
    -webkit-transform: translate3d(10px, -50%, 0);
    -moz-transform: translate3d(10px, -50%, 0);
    -ms-transform: translate3d(10px, -50%, 0);
    -o-transform: translate3d(10px, -50%, 0);
    transform: translate3d(10px, -50%, 0);
  }
  30% {
    opacity: 1;
    -webkit-transform: translate3d(0, -50%, 0);
    -moz-transform: translate3d(0, -50%, 0);
    -ms-transform: translate3d(0, -50%, 0);
    -o-transform: translate3d(0, -50%, 0);
    transform: translate3d(0, -50%, 0);
  }
  75% {
    opacity: 1;
    -webkit-transform: translate3d(0, -50%, 0);
    -moz-transform: translate3d(0, -50%, 0);
    -ms-transform: translate3d(0, -50%, 0);
    -o-transform: translate3d(0, -50%, 0);
    transform: translate3d(0, -50%, 0);
  }
  100% {
    opacity: 0;
    -webkit-transform: translate3d(-10px, -50%, 0);
    -moz-transform: translate3d(-10px, -50%, 0);
    -ms-transform: translate3d(-10px, -50%, 0);
    -o-transform: translate3d(-10px, -50%, 0);
    transform: translate3d(-10px, -50%, 0);
  }
}