:root {
  --fg: #fff;
  --bg: #000;
}
.tools {
  flex: 1;
  padding: 1em;
  color: #fff;
}
.tools div {
  display: flex;
  position: relative;
}
.tools div + div {
  margin-top: .5em;
}
.tools .steps {
  position: absolute;
  top: 50%;
  left: 6em;
  -webkit-transform: translate(0, -50%);
          transform: translate(0, -50%);
  padding: 0;
  margin: 0;
}
.colors {
  flex: 2;
  display: flex;
  flex-direction: column;
  font-size: 1em;
}
.colors .color {
  flex: 1;
  display: flex;
  align-items: center;
  padding: 0 1em;
  transition: 300ms linear;
}
.vertical-range {
  display: flex;
  align-items: center;
  width: 9em;
  height: 9em;
  -webkit-transform: rotate(-90deg);
          transform: rotate(-90deg);
}
input {
  margin: 0;
  padding: 0 .5em;
  font-size: inherit;
  font-family: inherit;
  border: none;
  width: 6em;
  outline: none;
  border-radius: 0 1em 1em 0;
}
input[type=color] {
  padding: 0;
  width: 2em;
  height: 2em;
  border-radius: 1em 0 0 1em;
}
input[type=color]::-moz-color-swatch {
  border: none;
  border-radius: 1em;
  transform: scale(0.75);
}
input[type=color]::-webkit-color-swatch {
  border: none;
  border-radius: 1em;
}
input[type=color]::-webkit-color-swatch-wrapper {
  padding: .25em;
  border-radius: 1em;
}
input[type=range] {
  -webkit-appearance: none;
     -moz-appearance: none;
          appearance: none;
  outline: none;
  display: inline-block;
  padding: 0;
  margin: 0;
  border: 0;
  width: 100%;
  height: .25em;
  border-radius: 1em;
  cursor: pointer;
  font-size: inherit;
  background: var(--fg);
}
input[type=range]::-moz-range-track {
  -moz-appearance: none;
       appearance: none;
  background: var(--fg);
  outline: none;
}
input[type=range]::-moz-focus-outer {
  border: 0;
}
input[type=range]::-moz-range-thumb {
  -moz-appearance: none;
       appearance: none;
  width: 1em;
  height: 1em;
  border: none;
  border-radius: 1em;
  box-shadow: 0 0 0 0.3em var(--bg);
  background: var(--fg);
  transform: scale(1);
  transition: -webkit-transform .3s ease-out;
  transition: transform .3s ease-out;
  transition: transform .3s ease-out, -webkit-transform .3s ease-out;
}
input[type=range]::-moz-range-thumb:focus, input[type=range]::-moz-range-thumb:active {
  -moz-appearance: none;
       appearance: none;
  transform: scale(0.85);
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
          appearance: none;
  width: 1em;
  height: 1em;
  border: none;
  border-radius: 1em;
  box-shadow: 0 0 0 0.3em var(--bg);
  background: var(--fg);
  -webkit-transform: scale(1);
          transform: scale(1);
  transition: -webkit-transform .3s ease-out;
  transition: transform .3s ease-out;
  transition: transform .3s ease-out, -webkit-transform .3s ease-out;
}
input[type=range]::-webkit-slider-thumb:focus, input[type=range]::-webkit-slider-thumb:active {
  -webkit-appearance: none;
          appearance: none;
  -webkit-transform: scale(0.85);
          transform: scale(0.85);
}

#wrapper {
	width:90%;
  margin: 0 auto;
  min-height: 500px;
  display: flex;
  background: #444;
  font-family: sans-serif;
	box-sizing: border-box;
}
main {
  flex: 1;
  display: flex;
  font-size: 1.1em;
}

@supports (-webkit-backdrop-filter: blur(2em)) {
  input[type=color] {
    display: none;
  }
https://edit.my.tone.ne.jp/cgi-bin/index.cgi
  input {
    border-radius: 1em;
    padding: .25em .5em;
    width: 9em;
  }
}