:root {
  --lighter_black: #000814;
  --dark_blue1: #001D3D;
  --dark_blue2: #003566;
  --yellow1: #FFC300;
  --yellow2: #FFD60A;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Roboto', sans-serif;
}

body {
  background-color: whitesmoke;
}

header {
  background-color: var(--dark_blue1);
  color: white;
  width: 100%;
  height: 80px;
  line-height: 80px;
  text-align: center;
  font-size: 25px;
}

main {
  width: 100%;
  height: calc(100vh - 80px);
}

div.wrapper {
  padding: 150px 100px 100px 100px;
  display: flex;
  flex-wrap: wrap;
}

div.manuals,
div.display {
  height: 600px;
  background-color: #fafafa;
  border-radius: 15px;
  margin: 0 25px;
}

div.manuals {
  width: calc(30% - 50px);
  display: flex;
  flex-direction: column;
}

div.display {
  width: calc(70% - 50px);
  position: relative;
}

div.output-wrapper {
  width: 100%;
  display: flex;
  justify-content: flex-end;
}

div.css-output {
  width: calc(70% - 50px);
  background-color: white;
  margin: 50px 25px 50px 25px;
  min-height: 250px;
  border-radius: 15px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
}

.css-output > textarea {
  outline: none;
  border: 1px solid whitesmoke;
  background-color: whitesmoke;
  border-radius: 10px;
  min-height: 100px;
  min-width: 90%;
  max-height: 100px;
  max-width: 90%;
  font-size: 18px;
  line-height: 25px;
  display: none;
  padding: 10px;
}

.css-output > span {
  font-size: 20px;
  font-weight: 500;
  text-align: center;
  margin: 20px 0;
}

.css-output > button {
  width: 150px;
  height: 50px;
  border: 2px solid var(--dark_blue1);
  border-radius: 5px;
  background-color: #fff;
  color: var(--dark_blue1);
  transition: .4s;
  text-transform: uppercase;
  font-size: 16px;
  margin: 25px 0 25px;
}

.css-output > button.scaled {
  transform: scale(.8);
}

.css-output > button:hover {
  background-color: var(--dark_blue1);
  color: white;
}

button.copy-button {
  display: none;
}

span.tooltip {
  background-color: var(--dark_blue1);
  color: white;
  width: 100px;
  height: 40px;
  line-height: 40px;
  text-align: center;
  display: block;
  position: absolute;
  bottom: 75px;
  margin-bottom: 10px;
  border-radius: 5px;
  display: none;
  animation: tooltip .6s;
  opacity: 0;
}

span.tooltip::after {
  content:"";
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-top: 10px solid var(--dark_blue1);
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
}

@keyframes tooltip {
  0% {
    opacity: 0;
    bottom: 0;
  }
  25% {
    opacity: 1;
  }
  50% {
    bottom: 90px;
  }
  75% {
    bottom: 75px;
  }
  100% {
    bottom: 75px;
    opacity: 1;
  }
}

/* LOADING ANIMATION */
.lds-ring {
  display: none;
  position: relative;
  width: 50px;
  height: 50px;
  transform: scale(1);
  transition: .5s;
}

.lds-ring > div {
  box-sizing: border-box;
  display: block;
  position: absolute;
  width: 50px;
  height: 50px;
  border: 6px solid var(--yellow1);
  border-radius: 50%;
  animation: lds-ring 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite, transparency 3s both;
  border-color: var(--yellow1) transparent transparent transparent;
}
.lds-ring div:nth-child(1) {
  animation-delay: -0.45s;
}
.lds-ring div:nth-child(2) {
  animation-delay: -0.3s;
}
.lds-ring div:nth-child(3) {
  animation-delay: -0.15s;
}
@keyframes lds-ring {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes transparency {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

div.block {
  width: 300px;
  height: 300px;
  background-color: white;
  position: absolute;
  top: 50%; 
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 15px;
  box-shadow: 0 0 25px 0 gray;
}

.manuals>h2 {
  font-weight: 400;
  text-align: center;
  margin-top: 20px;
}

.top {
  display: flex;
  justify-content: space-around;
}

.top>span,
.top>input {
  margin-top: 25px;
}

.top>span {
  font-size: 18px;
  line-height: 40px;
}

.bottom {
  display: flex;
  justify-content: center;
}

input[type="number"] {
  border: 1px solid white;
  border-radius: 20%;
  background-color: whitesmoke;
  width: 60px;
  height: 40px;
  text-align: center;
  font-size: 18px;
  line-height: 40px;
  color: black;
}

input[type="color"] {
  border: none;
  width: 60px;
  height: 40px;
  background-color: white;
}

input[type="color"]::-webkit-color-swatch {
  border: none;
  border-radius: 8px;
  padding: 0;
}

/* INPUT RANGE */
/* RESET */

input[type="range"] {
  width: 65%;
  margin: 10px 0;
  background: transparent;
  -webkit-appearance: none;
}

input[type=range]:focus {
  outline: none;
}

/* STYLING FOR CHROME */

input[type=range]::-webkit-slider-runnable-track {
  background: whitesmoke;
  border: 0px;
  border-radius: 2px;
  width: 100%;
  height: 10px;
  cursor: pointer;
}

input[type=range]::-webkit-slider-thumb {
  margin-top: -8.5px;
  width: 25px;
  height: 25px;
  background: var(--yellow1);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  -webkit-appearance: none;
}


/* STYLING FOR MOZILLA */

input[type=range]::-moz-range-track {
  background: whitesmoke;
  border: none;
  border-radius: 2px;
  width: 100%;
  height: 8.4px;
  cursor: pointer;
}

input[type=range]::-moz-range-thumb {
  width: 25px;
  height: 25px;
  background: var(--yellow1);
  border: none;
  border-radius: 50%;
  cursor: pointer;
}

/* STYLING FOR IE */


input[type=range]::-ms-track {
  background: transparent;
  border-color: transparent;
  border-width: 9.3px 0;
  color: transparent;
  width: 100%;
  height: 8.4px;
  cursor: pointer;
}

input[type=range]::-ms-fill-lower {
  background: whitesmoke;
  border: none;
  border-radius: 2.6px;
}

input[type=range]::-ms-fill-upper {
  background: whitesmoke;
  border: none;
  border-radius: 2.6px;
}

input[type=range]::-ms-thumb {
  width: 25px;
  height: 25px;
  background: rgba(255, 195, 0, 1);
  border: 1px solid rgba(0, 0, 0, 0);
  border-radius: 50px;
  cursor: pointer;
  margin-top: 0px;
  /*Needed to keep the Edge thumb centred*/
}

input[type=range]:focus::-ms-fill-lower {
  background: #3071a9;
}

input[type=range]:focus::-ms-fill-upper {
  background: #367ebd;
}

input[type=range]:active::-webkit-slider-thumb {
  height: 30px;
  width: 30px;
}

@media (orientation: portrait) {
  div.wrapper {
    flex-direction: column;
    align-items: center;
    padding: 0;
  }  

  div.wrapper > div {
    width: 90%;
    margin: 25px 0;
  }
  
  div.block {
    width: 250px;
    height: 250px;
  }

  div.css-output {
    width: 100%;
  }

}