SOURCE

<input type="checkbox" id="_checkbox">
<label for="_checkbox">
  <div id="tick_mark"></div>
</label>

*
{
    -webkit-tap-highlight-color: transparent;
    outline: none;
}

html, body
{
    height: 100%;
}

body
{
    margin: 0;
}

#_checkbox
{
    display: none;
}

label
{
    position: absolute;
    top: 50%;
    right: 0;
    left: 0;
    width: 100px;
    height: 100px;
    margin: 0 auto;
    background-color: #f72414;
    transform: translateY(-50%);
    border-radius: 50%;
    box-shadow: 0 7px 10px #ffbeb8;
    cursor: pointer;
    transition: 0.2s ease transform, 0.2s ease background-color, 0.2s ease box-shadow;
    overflow: hidden;
    z-index: 1;
}

label:before
{
    content: "";
    position: absolute;
    top: 50%;
    right: 0;
    left: 0;
    width: 70px;
    height: 70px;
    margin: 0 auto;
    background-color: #fff;
    transform: translateY(-50%);
    border-radius: 50%;
    box-shadow: inset 0 7px 10px #ffbeb8;
    transition: 0.2s ease width, 0.2s ease height;
}

label:hover:before
{
    width: 55px;
    height: 55px;
    box-shadow: inset 0 7px 10px #ff9d96;
}

label:active
{
    transform: translateY(-50%) scale(0.9);
}

#tick_mark
{
    position: absolute;
    top: -1px;
    right: 0;
    left: 0;
    width: 60px;
    height: 60px;
    margin: 0 auto;
    margin-left: 14px;
    transform: rotateZ(-40deg);
}

#tick_mark:before, #tick_mark:after
{
    content: "";
    position: absolute;
    background-color: #fff;
    border-radius: 2px;
    opacity: 0;
    transition: 0.2s ease transform, 0.2s ease opacity;
}

#tick_mark:before
{
    left: 0;
    bottom: 0;
    width: 10px;
    height: 30px;
    box-shadow: -2px 0 5px rgba(0,0,0,0.23);
    transform: translateY(-68px)
}

#tick_mark:after
{
    left: 0;
    bottom: 0;
    width: 100%;
    height: 10px;
    box-shadow: 0 3px 5px rgba(0,0,0,0.23);
    transform: translateX(78px)
}

#_checkbox:checked + label
{
    background-color: #07d410;
    box-shadow: 0 7px 10px #92ff97;
}

#_checkbox:checked + label:before
{
    width: 0;
    height: 0;
}

#_checkbox:checked + label #tick_mark:before, #_checkbox:checked + label #tick_mark:after
{
    transform: translate(0);
    opacity: 1;
}

a
{
    position:absolute;
    bottom: 10%;
    right: 0;
    left: 0;
    width: 144px;
    padding:10px;
    margin: 0 auto;
    color: #f72414;
    text-align: center;
    font-size: 14px;
    font-weight: bold;
    text-decoration: none;
    font-family: Verdana;
    line-height: 1;
    border: 2px solid #f72414;
    border-radius: 2px;
}