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CSS diamond ring (open/ close on click)

CSS engagement ring

To learn how to create the CSS diamond ring (open/ close on click) follow the steps below and watch the video tutorial.

Demo:

*to see the animation on the website click here.

Step1.

Add HTML

<div class="jewellery-box">
  <input id="open" type="checkbox">
  <label class="open" for="open"></label>
  <div class="bottom"></div>
  <div class="inner-top"></div>
  <div class="inner-bottom"></div>
  <div class="text">Will You Marry Me?</div>
  <div class="diamond-ring">
    <div class="diamond"></div>
    <div class="band"></div>
    <div class="inner"></div>
    <div class="details"></div>
  </div>
</div>

Step2.

Add CSS

Import the font (optional):

Font source: Goole Fonts. To see how to import the google font into an HTML document click here.

@import url('https://fonts.googleapis.com/css2?family=Mochiy+Pop+P+One&display=swap');

Set the colour and the position of the background and elements:

body {
  justify-content: center;
  align-items: center;
  height: 100vh;
  display: flex;
  background-color: #c75146;
  overflow: hidden;
}

.jewellery-box {
  position: relative;
  filter: drop-shadow(0 0 30px rgba(0,0,0,0.4));
}
.diamond-ring {
  position: relative;
}

Hide the input checkbox:

input#open {
  display: none;
}

Style the diamond ring:

.diamond {
  position: relative;
  border-style: solid;
  border-color: transparent transparent #27c3f3 transparent;
  border-width: 0 5px 5px 5px;
  height: 0;
  width: 15px; 
  z-index:1;
}
.diamond:before {
  content: "";
  position: absolute;
  top: 5px;
  left: -5px;
  width: 0;
  height: 0;
  border-style: solid;
  border-color: #27c3f3 transparent transparent transparent;
  border-width: 15px 12.5px 0 12.5px;
}

.diamond:after {
  content:"";
  position: absolute;
  border-style: solid;
  border-color: #7fd4f9 transparent transparent transparent;
  border-width: 15px 7px 7px;
  width:0;
  height:0;
  left:0.5px;
  top:5px;
}

.band {
  position: absolute;
  width:45px;
  height:45px;
  border: 5px solid #fed53f;
  border-radius: 50%;
  top:15px;
  left:-15px;
  z-index:1;
}

.band:before, .band:after {
  content:"+";
  position: absolute;
  color:rgba(255,255,255,.5);
}

.band:before {
  left:5px;
  top:-15px;
  font-size:7px;
  text-shadow: 20px -12px;
  animation: shine .5s linear infinite;
}

.band:after {
  left:32px;
  top:-12px;
  font-size:9px;
  text-shadow: -19px -18px;
  animation: shine .5s linear infinite .2s;
}

@keyframes shine {
  from {opacity:1;}
  to {opacity:0;}
}
CSS diamond ring

Style the jewellery box:

.inner {
  position:absolute;
  background-color: #cf7b4a;
  width:70px;
  height:15px;
  z-index:3;
  left:-20px;
  top:55px;
  border-radius:20px 20px 0 0;
}

.open {
  position: absolute;
  z-index:5;
  background-color: #81171b;
  width: 170px;
  height:40px;
  border-radius: 30px 30px 0 0;
  left:-70px;
  top:-10px;
  transition: .1s;
  cursor: pointer;
}

.bottom {
  position: absolute;
  z-index:5;
  background-color: #81171b;
  width:170px;
  height:40px;
  box-shadow: 0 -10px #540804;
  border-radius: 0 0 15px 15px;
  top:40px;
  left:-70px;
  transition: .1s;
}

.bottom:before {
  content:"";
  position: absolute;
  border-radius:50%;
  width:10px;
  height:10px;
  background-color: #ad2e24;
  top:13px;
  left:13px;
  box-shadow: 15px 0 #ad2e24, 30px 0 #ad2e24, 45px 0 #ad2e24, 60px 0 #ad2e24, 75px 0 #ad2e24, 90px 0 #ad2e24, 105px 0 #ad2e24, 120px 0 #ad2e24, 135px 0 #ad2e24;
}

.inner-top {
  position: absolute;
  width:150px;
  height:0;
  border-style: solid;
  border-width: 0 10px 50px 10px;
  border-color: transparent transparent #912820 transparent;
  transition: .1s;
  transform-origin: top;
  left:-70px;
  top:40px;
  transform: rotateX(85deg);
}

.inner-top:before {
  content:"";
  position: absolute;
  width:130px;
  height:0;
  border-style: solid;
  border-width: 0 10px 50px 10px;
  border-color: transparent transparent #ad2e24 transparent;
  transition: .1s;
  transform-origin: top;
  left:0;
  top:0;
}

.inner-bottom {
  position: absolute;
  width:150px;
  height:0;
  border-style: solid;
  border-width: 0 10px 60px 10px;
  border-color: transparent transparent #732019 transparent;
  transition: .1s;
  transform-origin: top;
  left:-70px;
  top:40px;
  transform: rotateX(85deg);
}

.inner-bottom:before {
  content:"";
  position: absolute;
  width:130px;
  height:0;
  border-style: solid;
  border-width: 0 10px 60px 10px;
  border-color: transparent transparent #cf7b4a transparent;
  transition: .1s;
  transform-origin: top;
  left:0;
  top:0;
}

.details {
  position: absolute;
  width:132px;
  background-color: #cf7b4a;
  border-radius:20px 20px 0 0;
  height:10px;
  left:-51px;
  top:35px;
}

Make the box open and close:

#open:checked + .open {
  transform: translateY(-40px);
}

#open:checked ~  .bottom {
  transform: translateY(45px);
}

#open:checked ~  .inner-top {
  transform: rotateX(180deg);
}

#open:checked ~  .inner-bottom {
  transform: rotateX(-40deg);
}

Style and animate the text:

.text {
  position: absolute;
  color: white;
  font-family: 'Mochiy Pop P One', sans-serif;
  font-size: 30px;
  transition: .3s;
  width:300px;
  text-align: center;
  top:-165px;
  left:-130px;
  opacity:0;
}

#open:checked ~  .text {
  opacity:1;
}

Enjoy coding!

Watch also the video tutorial:

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