CodePen Embed - CSS3 Thermostat

<div class="container">

    <!-- OUTER SHADOW -->
    <div class="de">

        <!-- TEXT -->
        <div class="den">

            <!-- LINE -->
            <hr class="line">
            <hr class="line">
            <hr class="line">

            <!-- SWITCH -->
            <div class="switch" style="display:block">

                <!-- TEXT -->
                <label for="switch_0"><span>5&deg;</span></label>
                <label for="switch_1"><span>10&deg;</span></label>
                <label for="switch_2"><span>15&deg;</span></label>
                <label for="switch_3"><span>5&deg;</span></label>
                <label for="switch_4"><span>20&deg;</span></label>
                <label for="switch_5"><span>25&deg;</span></label>

                <!-- INPUT -->
                <input id="switch_off" name="switch" checked type="radio">
                <input id="switch_1" name="switch" type="radio">
                <input id="switch_2" name="switch" type="radio">
                <input id="switch_3" name="switch" type="radio">
                <input id="switch_4" name="switch" type="radio">
                <input id="switch_5" name="switch" type="radio">

                <!-- LIGHT -->
                <div class="light"></div>

                <!-- DOT -->
                <!--<div class="dot"><span></span></div>-->

                <!-- CENTER -->
                <div class="dene">
                    <div class="denem">
                        <div class="deneme">
                          <span>27<strong>&deg;</strong></span>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

/* MASTER
--------------------------------------------- */
@import url(https://fonts.googleapis.com/css?family=Dosis:200,400,500,600);
html, body {
    height: 100%;
}

body {
    font-family: Helvetica, Arial, sans-serif;
    color: #333;
    font-size: 13px;
    background: #f1f1f1;
}

/* SWITCH
--------------------------------------------- */

.container {
    width: 230px;
    width: 230px;
    margin: 40px auto 0;
}

.container .origin {
    position: absolute;
    left: 50%;
    top: 50%;
    z-index: 111;
    width: 2px;
    height: 2px;
    margin: -1px 0 0 -1px;
    background-color: #f50;
}

.de {
    -webkit-user-select: none;
    position: relative;
    width: 215px;
    height: 215px;
    border-radius: 100%;
    box-shadow: 0 0 25px rgba(0, 0, 0, .1);
    background-color: transparent;
}

.de .den, .de .dene, .de .denem, .de .deneme, .de .light, .de .dot {
    position: absolute;
    left: 50%;
    top: 50%;
}

.den {
    position: relative;
    width: 200px;
    height: 200px;
    margin: -100px 0 0 -100px;
    border-radius: 100%;
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, .5), 0 2px 20px rgba(255, 255, 255, 1);

}

.den {
  background: #df3341;
  background: -moz-linear-gradient(left, #df3341 0%, #d4f355 50%, #61c0ec 100%);
  background: -webkit-gradient(linear, left top, right top, color-stop(0%,#df3341), color-stop(50%,#d4f355), color-stop(100%,#61c0ec));
  background: -webkit-linear-gradient(left, #df3341 0%,#d4f355 50%,#61c0ec 100%);
  background: -o-linear-gradient(left, #df3341 0%,#d4f355 50%,#61c0ec 100%); 
  background: -ms-linear-gradient(left, #df3341 0%,#d4f355 50%,#61c0ec 100%);
  background: linear-gradient(to right, #df3341 0%,#d4f355 50%,#61c0ec 100%);
  position:relative;
}



.dene {
    z-index: 4;
    width: 140px;
    height: 140px;
    margin: -70px 0 0 -70px;
    border-radius: 100%;
    box-shadow: inset 0 2px 2px rgba(255, 255, 255, .4), 0 3px 13px rgba(0, 0, 0, .85);

    background: #f2f6f5;
    background: -moz-linear-gradient(top, #f2f6f5 0%, #cbd5d6 100%);
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #f2f6f5), color-stop(100%, #cbd5d6));
    background: -webkit-linear-gradient(top, #f2f6f5 0%, #cbd5d6 100%);
    background: -o-linear-gradient(top, #f2f6f5 0%, #cbd5d6 100%);
}

.denem {
    width: 120px;
    height: 120px;
    margin: -60px 0 0 -60px;
    border-radius: 100%;

    background: #cbd5d6;
    background: -moz-linear-gradient(top, #cbd5d6 0%, #f2f6f5 100%);
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #cbd5d6), color-stop(100%, #f2f6f5));
    background: -webkit-linear-gradient(top, #cbd5d6 0%, #f2f6f5 100%);
    background: -o-linear-gradient(top, #cbd5d6 0%, #f2f6f5 100%);
}

.deneme {
    width: 100px;
    height: 100px;
 
    margin: -50px 0 0 -50px;
    border-radius: 100%;
    box-shadow: inset 0 2px 3px rgba(255, 255, 255, .6), 0 8px 20px rgba(0, 0, 0, .9);

    background: #eef7f6;
    background: -moz-linear-gradient(top, #eef7f6 0%, #8d989a 100%);
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #eef7f6), color-stop(100%, #8d989a));
    background: -webkit-radial-gradient(top, #eef7f6 0%, #8d989a 100%);
    background: -o-linear-gradient(top, #eef7f6 0%, #8d989a 100%);
}
.deneme span {
    color: white;
  text-shadow: 1px 1px 1px #666;
  font-family: 'Dosis';
  font-size: 62px;
  font-weight: normal;
  display: inline-block;
  margin-left: 15px;
  margin-top: 10px;

}
.deneme span strong {
  font-size: 40px;
  font-weight: 200;
  display:block;
  float:right;
  margin-top: 7px;
  margin-left: 3px;
}
.den .switch {
    z-index: 3;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.den .switch label {
    z-index: 2;
    position: absolute;
    top: 50%;
    left: 50%;
    width: 50%;
    height: 70px;
    margin-top: -35px;
    -moz-transform-origin: 0% 50%;
    -webkit-transform-origin: 0% 50%;
    -o-transform-origin: 0% 50%;
}

.den .switch label:after {
    content: "";
    position: absolute;
    top: 6px;
    left: 1px;
    width: 100%;
    height: 30px;
    -moz-transform: rotate(-30deg);
    -webkit-transform: rotate(-30deg);
    -o-transform: rotate(-30deg);
}

.den .switch label:before {
    content: "";
    position: absolute;
    bottom: 6px;
    left: 1px;
    width: 100%;
    height: 30px;
    -moz-transform: rotate(30deg);
    -webkit-transform: rotate(30deg);
    -o-transform: rotate(30deg);
}

.den .switch label span {
    z-index: 2;
    position: absolute;
    top: 0;
    right: 0;
    width: 30px;
    height: 100%;
    font-weight: bold;
    font-size: 15px;
    line-height: 70px;
    text-align: center;
    color: #fff;
    /*text-shadow: 0 1px 0 #e1e1e1;*/
}

.den .switch label:nth-child(1) {
    -moz-transform: rotate(-90deg);
    -webkit-transform: rotate(-90deg);
    -o-transform: rotate(-90deg);
}

.den .switch label:nth-child(1) span {
    right: 2px;
    font-size: 13px;
    -moz-transform: rotate(90deg);
    -webkit-transform: rotate(90deg);
    -o-transform: rotate(90deg);
}

.den .switch label:nth-child(2) {
    -moz-transform: rotate(-30deg);
    -webkit-transform: rotate(-30deg);
    -o-transform: rotate(-30deg);
}

.den .switch label:nth-child(2) span {
    -moz-transform: rotate(30deg);
    -webkit-transform: rotate(30deg);
    -o-transform: rotate(30deg);
}

.den .switch label:nth-child(3) {
    -moz-transform: rotate(30deg);
    -webkit-transform: rotate(30deg);
    -o-transform: rotate(30deg);
}

.den .switch label:nth-child(3) span {
    -moz-transform: rotate(-30deg);
    -webkit-transform: rotate(-30deg);
    -o-transform: rotate(-30deg);
}

.den .switch label:nth-child(4) {
    -moz-transform: rotate(90deg);
    -webkit-transform: rotate(90deg);
    -o-transform: rotate(90deg);
}

.den .switch label:nth-child(4) span {
    -moz-transform: rotate(-90deg);
    -webkit-transform: rotate(-90deg);
    -o-transform: rotate(-90deg);
}

.den .switch label:nth-child(5) {
    -moz-transform: rotate(150deg);
    -webkit-transform: rotate(150deg);
    -o-transform: rotate(150deg);
}

.den .switch label:nth-child(5) span {
    -moz-transform: rotate(-150deg);
    -webkit-transform: rotate(-150deg);
    -o-transform: rotate(-150deg);
}

.den .switch label:nth-child(6) {
    -moz-transform: rotate(210deg);
    -webkit-transform: rotate(210deg);
    -o-transform: rotate(210deg);
}

.den .switch label:nth-child(6) span {
    -moz-transform: rotate(-210deg);
    -webkit-transform: rotate(-210deg);
    -o-transform: rotate(-210deg);
}

.den .switch input {
    position: absolute;
    opacity: 0;
    visibility: hidden;
}

/* SWITCH LIGHT */

.den .light {
    z-index: 1;
    width: 50%;
    height: 100px;
    margin-top: -50px;
    -moz-transform-origin: 0% 50%;
    -webkit-transform-origin: 0% 50%;
    -o-transform-origin: 0% 50%;
    -moz-transform: rotate(-90deg);
    -webkit-transform: rotate(-90deg);
    -o-transform: rotate(-90deg);
    -webkit-transition: all .5s;
    -moz-transition: all .5s;
    -o-transition: all .5s;
}
.den .light:after {
  content: '';
  position: absolute;
  top: 36px;
  left: 55px;
  width: 0;
  height: 0;
  border-left: 40px solid rgba(0, 0, 0, .3);
  border-top: 15px solid transparent;
  border-bottom: 15px solid transparent;
 
}


/* SWITCH LIGHT POSITION */

.den #switch_off:checked ~ .light {
    -moz-transform: rotate(-90deg);
    -webkit-transform: rotate(-90deg);
    -o-transform: rotate(-90deg);
}

.den #switch_1:checked ~ .light {
    -moz-transform: rotate(-30deg);
    -webkit-transform: rotate(-30deg);
    -o-transform: rotate(-30deg);
}

.den #switch_2:checked ~ .light {
    -moz-transform: rotate(30deg);
    -webkit-transform: rotate(30deg);
    -o-transform: rotate(30deg);
}

.den #switch_3:checked ~ .light {
    -moz-transform: rotate(90deg);
    -webkit-transform: rotate(90deg);
    -o-transform: rotate(90deg);
}

.den #switch_4:checked ~ .light {
    -moz-transform: rotate(150deg);
    -webkit-transform: rotate(150deg);
    -o-transform: rotate(150deg);
}

.den #switch_5:checked ~ .light {
    -moz-transform: rotate(210deg);
    -webkit-transform: rotate(210deg);
    -o-transform: rotate(210deg);
}

/* SWITCH LIGHT */

.den .dot {
    z-index: 6;
    width: 50%;
    height: 12px;
    margin-top: -6px;
    -moz-transform-origin: 0% 50%;
    -webkit-transform-origin: 0% 50%;
    -o-transform-origin: 0% 50%;
    -webkit-transition: all .5s;
    -moz-transition: all .5s;
    -o-transition: all .5s;
}

.den .dot span {
    position: absolute;
    top: 0;
    left: 30px;
    width: 12px;
    height: 12px;
    border-radius: 100%;
    background: #dae2e4;
    background: -moz-linear-gradient(top, #dae2e4 0%, #ecf5f4 100%);
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #dae2e4), color-stop(100%, #ecf5f4));
    background: -webkit-linear-gradient(top, #dae2e4 0%, #ecf5f4 100%);
    background: -o-linear-gradient(top, #dae2e4 0%, #ecf5f4 100%);
}

/* SWITCH LIGHT POSITION */

.den #switch_off:checked ~ .dot {
    -moz-transform: rotate(-90deg);
    -webkit-transform: rotate(-90deg);
    -o-transform: rotate(-90deg);
}

.den #switch_off:checked ~ .dot span {
    -moz-transform: rotate(90deg);
    -webkit-transform: rotate(90deg);
    -o-transform: rotate(90deg);
}

.den #switch_1:checked ~ .dot {
    -moz-transform: rotate(-30deg);
    -webkit-transform: rotate(-30deg);
    -o-transform: rotate(-30deg);
}

.den #switch_1:checked ~ .dot span {
    opacity: .9;
    -moz-transform: rotate(30deg);
    -webkit-transform: rotate(30deg);
    -o-transform: rotate(30deg);
}

.den #switch_2:checked ~ .dot {
    -moz-transform: rotate(30deg);
    -webkit-transform: rotate(30deg);
    -o-transform: rotate(30deg);
}

.den #switch_2:checked ~ .dot span {
    opacity: .5;
    -moz-transform: rotate(-30deg);
    -webkit-transform: rotate(-30deg);
    -o-transform: rotate(-30deg);
}

.den #switch_3:checked ~ .dot {
    -moz-transform: rotate(90deg);
    -webkit-transform: rotate(90deg);
    -o-transform: rotate(90deg);
}

.den #switch_3:checked ~ .dot span {
    opacity: .4;
    -moz-transform: rotate(-90deg);
    -webkit-transform: rotate(-90deg);
    -o-transform: rotate(-90deg);
}

.den #switch_4:checked ~ .dot {
    -moz-transform: rotate(150deg);
    -webkit-transform: rotate(150deg);
    -o-transform: rotate(150deg);
}

.den #switch_4:checked ~ .dot span {
    opacity: .5;
    -moz-transform: rotate(-150deg);
    -webkit-transform: rotate(-150deg);
    -o-transform: rotate(-150deg);
}

.den #switch_5:checked ~ .dot {
    -moz-transform: rotate(210deg);
    -webkit-transform: rotate(210deg);
    -o-transform: rotate(210deg);
}

.den #switch_5:checked ~ .dot span {
    opacity: .9;
    -moz-transform: rotate(-210deg);
    -webkit-transform: rotate(-210deg);
    -o-transform: rotate(-210deg);
}

/* LINE */

.den hr.line {
    z-index: 1;
    position: absolute;
    top: 50%;
    width: 100%;
    height: 0;
    margin-top: -1px;
  border: 0;  
  border-bottom: 1px solid #fff;
}

.den hr.line:nth-child(1) {
    -moz-transform: rotate(-60deg);
    -webkit-transform: rotate(-60deg);
    -o-transform: rotate(-60deg);
}

.den hr.line:nth-child(2) {
    -moz-transform: rotate(60deg);
    -webkit-transform: rotate(60deg);
    -o-transform: rotate(60deg);
}

/* Daniel Stancu - birkof.ro */

This Pen is owned by Daniel Stancu on CodePen.

See more by @birkof on CodePen

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