SOURCE

<input type="checkbox" id="bb8_cb"/>
    <label for="bb8_cb">
        <div id="bb8">
            <div id="bb8_head">
                <div id="half_circle">
                    <div id="or0"></div>
                    <div id="lens1"></div>
                    <div id="lens2"></div>
                    <div id="or1"></div>
                </div>
                <div id="dg1"></div>
                <div id="lg1"></div>
            </div>
            <div id="bb8_body">
                <div id="lg2"></div>
                <div id="c1">
                    <div class="s1"></div>
                    <div class="s2"></div>
                </div>
                <div id="c2">
                    <div class="s1"></div>
                    <div class="s2"></div>
                </div>
                <div id="c3">
                    <div class="s1"></div>
                    <div class="s2"></div>
                </div>
            </div>
        </div>
    </label>
<section></section>

html,
body{
    height: 100%;
	width:100%;
}

section{
	position: absolute;
	top:0;
	left:0;
	height: 100%;
	width:100%;
    background: #79d6ff;
	z-index: -10;
}

* {
    transition: 1s all;
}

body {
    margin: 0;
    font-family: Helvetica, Arial;
    font-weight: 100;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

input[type=checkbox] {
    display: none;
}

input[type=checkbox] + label {
    width: 100px;
    height: 50px;
    display: block;
    border-radius: 35px;
    background-color: #70c6ec;
    padding: 10px;
    box-shadow: inset 0 0 10px rgba(0,0,0,0.2);
	cursor: pointer;
	cursor: hand;
}

#bb8_body {
    width: 50px;
    height: 50px;
    border-radius: 100%;
    background: rgba(240, 240, 240, 1);
    background: -moz-radial-gradient(center, ellipse cover, rgba(240, 240, 240, 1) 0%, rgba(235, 235, 235, 1) 72%, rgba(191, 191, 191, 1) 100%);
    background: -webkit-gradient(radial, center center, 0px, center center, 100%, color-stop(0%, rgba(240, 240, 240, 1)), color-stop(72%, rgba(235, 235, 235, 1)), color-stop(100%, rgba(191, 191, 191, 1)));
    background: -webkit-radial-gradient(center, ellipse cover, rgba(240, 240, 240, 1) 0%, rgba(235, 235, 235, 1) 72%, rgba(191, 191, 191, 1) 100%);
    background: -o-radial-gradient(center, ellipse cover, rgba(240, 240, 240, 1) 0%, rgba(235, 235, 235, 1) 72%, rgba(191, 191, 191, 1) 100%);
    background: -ms-radial-gradient(center, ellipse cover, rgba(240, 240, 240, 1) 0%, rgba(235, 235, 235, 1) 72%, rgba(191, 191, 191, 1) 100%);
    background: radial-gradient(ellipse at center, rgba(240, 240, 240, 1) 0%, rgba(235, 235, 235, 1) 72%, rgba(191, 191, 191, 1) 100%);
    filter: progid: DXImageTransform.Microsoft.gradient( startColorstr='#f0f0f0', endColorstr='#bfbfbf', GradientType=1);
}

#c1,
#c2,
#c3 {
    width: 10px;
    height: 10px;
    border-radius: 100%;
    border: 3px solid #fac562;
    position: relative;
}

.s1 {
    background: #fac562;
    /* Old browsers */
    background: -moz-linear-gradient(top, #fac562 0%, #fac562 24%, #f0f0f0 27%, #f0f0f0 76%, #fac562 79%, #fac562 100%);
    /* FF3.6-15 */
    background: -webkit-linear-gradient(top, #fac562 0%, #fac562 24%, #f0f0f0 27%, #f0f0f0 76%, #fac562 79%, #fac562 100%);
    /* Chrome10-25,Safari5.1-6 */
    background: linear-gradient(to bottom, #fac562 0%, #fac562 24%, #f0f0f0 27%, #f0f0f0 76%, #fac562 79%, #fac562 100%);
    /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
    filter: progid: DXImageTransform.Microsoft.gradient( startColorstr='#fac562', endColorstr='#fac562', GradientType=0);
    /* IE6-9 */
    width: 2px;
    height: 10px;
    position: relative;
    left: 4px;
}

.s2 {
    background: #fac562;
    /* Old browsers */
    background: -moz-linear-gradient(left, #fac562 0%, #fac562 24%, #f0f0f0 27%, #f0f0f0 76%, #fac562 79%, #fac562 100%);
    /* FF3.6-15 */
    background: -webkit-linear-gradient(left, #fac562 0%, #fac562 24%, #f0f0f0 27%, #f0f0f0 76%, #fac562 79%, #fac562 100%);
    /* Chrome10-25,Safari5.1-6 */
    background: linear-gradient(to right, #fac562 0%, #fac562 24%, #f0f0f0 27%, #f0f0f0 76%, #fac562 79%, #fac562 100%);
    /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
    filter: progid: DXImageTransform.Microsoft.gradient( startColorstr='#fac562', endColorstr='#fac562', GradientType=1);
    /* IE6-9 */
    width: 10px;
    height: 2px;
    position: relative;
    top: -6px;
}

#c1 {
    left: 16px;
    top: 5px;
}

#c2 {
    left: 4px;
    top: 8px;
}

#c3 {
    left: 26px;
    top: -8px;
}

#half_circle {
    height: 15px;
    width: 30px;
    border-radius: 30px 30px 0 0;
    background: #f0f0f0;
}

#lens1 {
    background-color: #262626;
    width: 8px;
    height: 8px;
    border-radius: 100%;
    position: relative;
    left: 11px;
    top: 3px;
}

#lens2 {
    background-color: #262626;
    width: 4px;
    height: 4px;
    border-radius: 100%;
    position: relative;
    left: 20px;
    top: 1px;
}

#or0 {
    background-color: #fac562;
    height: 1px;
    width: 17px;
    border-radius: 1px;
    position: relative;
    top: 2px;
    left: 6px;
}

#or1 {
    background-color: #fac562;
    height: 2px;
    width: 30px;
    border-radius: 1px;
    position: relative;
    top: 1px;
}

#dg1 {
    background-color: #666666;
    height: 4px;
    width: 30px;
}

#lg1 {
    border-top: 3px solid #9f9f9f;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    height: 0;
    width: 20px;
}

#lg2 {
    background-color: #e0e0e0;
    height: 1px;
    width: 50px;
    position: relative;
    top: 23px;
}

#bb8_head {
    margin-left: 10px;
    margin-top: -18px;
}

input[type=checkbox]:checked + label #bb8_body {
    margin-left: calc(100% - 50px);
    transform: rotate(360deg);
}

input[type=checkbox]:checked + label #bb8_head {
    margin-left: calc(100% - 40px);
}

input[type=checkbox]:checked + label ~ section {
    background-color: #3384a8;
}