body {
  background-image: url(https://static.vecteezy.com/system/resources/previews/008/426/215/non_2x/beautiful-meteor-shower-in-the-dark-sky-background-free-vector.jpg);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
  height: 90vh;
  overflow-x: hidden;
  margin: 0;
  padding: 0;
  width: 100vw;
    overflow-x: hidden;
  margin: 0;
  padding: 0;
  width: 100vw;
}

.button {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgb(20, 20, 20);
    border: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0px 0px 0px 4px rgba(180, 160, 255, 0.253);
    cursor: pointer;
    transition-duration: 0.3s;
    overflow: hidden;
    position: absolute;
    top: 85%;
    left: 91%;
  }
  
  .svgIcon {
    width: 12px;
    transition-duration: 0.3s;
  }
  
  .svgIcon path {
    fill: white;
  }
  
  .button:hover {
    width: 140px;
    border-radius: 50px;
    transition-duration: 0.3s;
    background-color: rgb(53, 71, 64);
    align-items: center;
  }
  
  .button:hover .svgIcon {
    transition-duration: 0.3s;
    transform: translateY(-200%);
  }
  
  .button::before {
    position: absolute;
    bottom: -20px;
    content: "Back to home page";
    color: white;
    font-size: 0px;
  }
  
  .button:hover::before {
    font-size: 13px;
    opacity: 1;
    bottom: unset;
    transition-duration: 0.3s;
  }
  
.wrapper {
  position: absolute;
  top: 50%;
  left: 20%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  --black: #f7c7c7;
  --ch-black: #141414;
  --eer-black: #1b1b1b;
  --night-rider: #2e2e2e;
  --white: #ffffff;
  --af-white: #f3f3f3;
  --ch-white: #e1e1e1;
}

footer .demo {
  position: absolute;
  bottom: 10px;
  width: 500px;
  margin: 0 auto;
}

footer .demo a {
  text-align: center;
  color: var(--black);
  text-decoration: none;
  font-weight: 100;
  border-bottom: 1px solid var(--black);
}

.circle {
  display: block;
  position: relative;
  padding: 0;
  z-index: 98;
  margin: 0 auto;
  -webkit-box-shadow: 0 6px 10px 0 rgba(0, 0, 0, 0.3);
  box-shadow: 0 6px 10px 0 rgba(0, 0, 0, 0.3);
  border-radius: 50%;
  height: 60px;
  width: 60px;
  background-color: var(--night-rider);
  transition: 0.2s;
  text-align: center;
}

.circle:active {
  transform: scale(0.9);
  box-shadow: 0 2px 15px 0 rgba(0, 0, 0, 0.3);
}

.circle:hover {
  cursor: pointer;
  background-color: var(--night-rider);
  box-shadow: 0 8px 15px 0 rgba(0, 0, 0, 0.3);
}

.circle .svg {
  position: absolute;
  top: 50%;
  left: 50%;
  margin-left: -15px;
  margin-top: -15px;
  width: 30px;
  height: 30px;
  transition: 0.5s;
  transform: rotate(180deg);
}

.sub-circle {
  z-index: 0;
  position: absolute;
  height: 40px;
  width: 40px;
  overflow: hidden;
  border-radius: 50%;
  transition: 0.3s;
  transform: scale(0.5);
  opacity: 0;
  padding: 0;
  margin: 0;
  background-color: var(--eer-black);
  color: white;
  border: none;
}

.sub-circle label {
  background-color: var(--eer-black);
  display: block;
  color: rgb(133, 157, 120);
  width: 100%;
  height: 100%;
  line-height: 40px;
  transition: .5s;
}

.sub-circle label:hover {
  cursor: pointer;
  background-color: var(--eer-black);
}

.subs {
  left: -20px;
  top: -50px;
  width: 40px;
  height: 40px;
  text-align: center;
  z-index: 0;
  margin: 0 auto;
  position: relative;
}

.hidden-sub-trigger {
  display: none;
}

.hidden-sub-trigger:checked ~ label {
  background-color: wheat;
}

.hidden-trigger {
  display: none;
}

.hidden-trigger:checked ~ .circle {
  transform: scale(0.9);
  cursor: pointer;
  background-color: var(--black);
  box-shadow: 0 8px 15px 0 rgba(0, 0, 0, 0.1);
}

.hidden-trigger:checked ~ .circle .svg {
  transform: rotate(45deg);
}

.hidden-trigger:checked ~ .subs button:nth-of-type(1) {
  transform: translate(0px, -100px) scale(1);
  opacity: 1;
  transition: 0.1s;
}

.hidden-trigger:checked ~ .subs button:nth-of-type(2) {
  transform: translate(75px, -75px) scale(1);
  opacity: 1;
  transition: 0.2s;
}

.hidden-trigger:checked ~ .subs button:nth-of-type(3) {
  transform: translate(100px, 0px) scale(1);
  opacity: 1;
  transition: 0.3s;
}

.hidden-trigger:checked ~ .subs button:nth-of-type(4) {
  transform: translate(75px, 75px) scale(1);
  opacity: 1;
  transition: 0.4s;
}

.hidden-trigger:checked ~ .subs button:nth-of-type(5) {
  transform: translate(0px, 100px) scale(1);
  opacity: 1;
  transition: 0.5s;
}

.hidden-trigger:checked ~ .subs button:nth-of-type(6) {
  transform: translate(-75px, 75px) scale(1);
  opacity: 1;
  transition: 0.6s;
}

.hidden-trigger:checked ~ .subs button:nth-of-type(7) {
  transform: translate(-100px, 0px) scale(1);
  opacity: 1;
  transition: 0.7s;
}

.hidden-trigger:checked ~ .subs button:nth-of-type(8) {
  transform: translate(-75px, -75px) scale(1);
  opacity: 1;
  transition: 0.8s;
}


.wrapper1 {
  position: absolute;
  top: 50%;
  left: 80%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  --black: #f7c7c7;
  --ch-black: #141414;
  --eer-black: #1b1b1b;
  --night-rider: #2e2e2e;
  --white: #ffffff;
  --af-white: #f3f3f3;
  --ch-white: #e1e1e1;
}

footer .demo {
  position: absolute;
  bottom: 10px;
  width: 500px;
  margin: 0 auto;
}

footer .demo a {
  text-align: center;
  color: var(--black);
  text-decoration: none;
  font-weight: 100;
  border-bottom: 1px solid var(--black);
}

.circle1 {
  display: block;
  position: relative;
  padding: 0;
  z-index: 98;
  margin: 0 auto;
  -webkit-box-shadow: 0 6px 10px 0 rgba(0, 0, 0, 0.3);
  box-shadow: 0 6px 10px 0 rgba(0, 0, 0, 0.3);
  border-radius: 50%;
  height: 60px;
  width: 60px;
  background-color: var(--night-rider);
  transition: 0.2s;
  text-align: center;
}

.circle1:active {
  transform: scale(0.9);
  box-shadow: 0 2px 15px 0 rgba(0, 0, 0, 0.3);
}

.circle1:hover {
  cursor: pointer;
  background-color: var(--night-rider);
  box-shadow: 0 8px 15px 0 rgba(0, 0, 0, 0.3);
}

.circle1 .svg1 {
  position: absolute;
  top: 50%;
  left: 50%;
  margin-left: -15px;
  margin-top: -15px;
  width: 30px;
  height: 30px;
  transition: 0.5s;
  transform: rotate(180deg);
}

.sub-circle1 {
  z-index: 0;
  position: absolute;
  height: 40px;
  width: 40px;
  overflow: hidden;
  border-radius: 50%;
  transition: 0.3s;
  transform: scale(0.5);
  opacity: 0;
  padding: 0;
  margin: 0;
  background-color: var(--eer-black);
  color: white;
  border: none;
}

.sub-circle1 label {
  background-color: var(--eer-black);
  display: block;
  color: rgb(133, 157, 120);
  width: 100%;
  height: 100%;
  line-height: 40px;
  transition: .5s;
}

.sub-circle1 label:hover {
  cursor: pointer;
  background-color: var(--eer-black);
}

.subs1 {
  left: -20px;
  top: -50px;
  width: 40px;
  height: 40px;
  text-align: center;
  z-index: 0;
  margin: 0 auto;
  position: relative;
}
.hidden-sub-trigger1 {
  display: none;
}

.hidden-sub-trigger1:checked ~ label {
  background-color: wheat;
}

.hidden-trigger1 {
  display: none;
}

.hidden-trigger1:checked ~ .circle1 {
  transform: scale(0.9);
  cursor: pointer;
  background-color: var(--black);
  box-shadow: 0 8px 15px 0 rgba(0, 0, 0, 0.1);
}

.hidden-trigger1:checked ~ .circle1 .svg1 {
  transform: rotate(45deg);
}

.hidden-trigger1:checked ~ .subs1 button:nth-of-type(1) {
  transform: translate(0px, -100px) scale(1);
  opacity: 1;
  transition: 0.1s;
}

.hidden-trigger1:checked ~ .subs1 button:nth-of-type(2) {
  transform: translate(75px, -75px) scale(1);
  opacity: 1;
  transition: 0.2s;
}

.hidden-trigger1:checked ~ .subs1 button:nth-of-type(3) {
  transform: translate(100px, 0px) scale(1);
  opacity: 1;
  transition: 0.3s;
}

.hidden-trigger1:checked ~ .subs1 button:nth-of-type(4) {
  transform: translate(75px, 75px) scale(1);
  opacity: 1;
  transition: 0.4s;
}

.hidden-trigger1:checked ~ .subs1 button:nth-of-type(5) {
  transform: translate(0px, 100px) scale(1);
  opacity: 1;
  transition: 0.5s;
}

.hidden-trigger1:checked ~ .subs1 button:nth-of-type(6) {
  transform: translate(-75px, 75px) scale(1);
  opacity: 1;
  transition: 0.6s;
}

.hidden-trigger1:checked ~ .subs1 button:nth-of-type(7) {
  transform: translate(-100px, 0px) scale(1);
  opacity: 1;
  transition: 0.7s;
}

.hidden-trigger1:checked ~ .subs1 button:nth-of-type(8) {
  transform: translate(-75px, -75px) scale(1);
  opacity: 1;
  transition: 0.8s;
}


.convert_from {
color: rgb(184, 225, 142);
position: relative;
top: 20%;
left: 15.5%;
font-size: 300%;
user-select: none;
}

.convert_to {
  color: rgb(184, 225, 142);
  position: relative;
  top: 10%;
  left: 78%;
  font-size: 300%;
  user-select: none;
}
.title{
  position: relative;
  top: -20%;
  text-align: center;
  font-size: 500%;
  color: rgb(189, 249, 189);
  user-select: none;
}

.form-control {
  position: absolute;
  top: 40%;
  left: 42%;
  margin: 20px 0 40px;
  width: 15%;
  user-select: none;
}

.form-control input {
  background-color: transparent;
  border: 0;
  border-bottom: 2px #fff solid;
  display: block;
  width: 100%;
  padding: 15px 0;
  font-size: 25px;
  color: #fff;
}

.form-control input:focus,
.form-control input:valid {
  outline: 0;
  border-bottom-color: lightblue;
}

.form-control label {
  position: absolute;
  top: 1px;
  left: 0;
  pointer-events: none;
}

.form-control label span {
  display: inline-block;
  font-size: 40px;
  min-width: 5px;
  color: #fff;
  transition: 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.form-control input:focus + label span,
.form-control input:valid + label span {
  color: lightblue;
  transform: translateY(-30px);
}

.output{
  color: #a2f6ef;
  text-align: center;
  position: relative;
  top: 30%;
  font-size: 300%;
}