div.rounded_button
{
  display: block;
  background-color: #f7f7f7;
  background-image: -webkit-gradient(linear, left top, left bottom, to(#d7d7d7), from(#e7e7e7));
  background-image: -webkit-linear-gradient(top, #d7d7d7, #e7e7e7);
  background-image: -moz-linear-gradient(top, #d7d7d7, #e7e7e7);
  background-image: -ms-linear-gradient(top, #d7d7d7, #e7e7e7);
  background-image: -o-linear-gradient(top, #d7d7d7, #e7e7e7);
  color: gray;
  margin-left: auto;
  margin-right: auto;
  margin-top: 4px;
  margin-bottom:4px;
  width: 100px;
  height: 100px;
  position: relative;
  text-align: center;
  line-height: 100px;
  border-radius: 50%;
  box-shadow: 0px 5px 10px #588, inset 0px 2px 3px #fff;
  text-shadow:0 1px 0 white;
}

div.rounded_button:hover
{
  cursor:pointer;
}

div.rounded_button.pressed,
div.rounded_button:active
{
  box-shadow: 0px 1px 4px #588, inset 0px 2px 3px #fff;
  background-image: -webkit-gradient(linear, left top, left bottom, to(#d0d0d0), from(#f0f0f0));
  background-image: -webkit-linear-gradient(top, #d0d0d0, #f0f0f0);
  background-image: -moz-linear-gradient(top, #d0d0d0, #f0f0f0);
  background-image: -ms-linear-gradient(top, #d0d0d0, #f0f0f0);
  background-image: -o-linear-gradient(top, #d0d0d0, #f0f0f0);
}


span.toggle_button
{
  position:relative;
  display:inline-block;
  width:80px;
  height:100px;
  background-color:#bbb;
  -webkit-border-radius:4px;
  -moz-border-radius:4px;
  border-radius:4px;
  text-align:center;
}

span.toggle_button input
{
  width:100%;
  height:100%;
  margin:0 0;
  padding:0 0;
  position:absolute;
  top:0;
  right:0;
  bottom:0;
  left:0;
  z-index:2;
  cursor:pointer;
  opacity:0;
  filter:alpha(opacity=0);
}

span.toggle_button label
{
  display:block;
  position:absolute;
  top:1px;
  right:1px;
  bottom:1px;
  left:1px;
  background-image:-webkit-linear-gradient(top,#fff 0%,#ddd 50%,#fff 50%,#eee 100%);
  background-image:-moz-linear-gradient(top,#fff 0%,#ddd 50%,#fff 50%,#eee 100%);
  background-image:-ms-linear-gradient(top,#fff 0%,#ddd 50%,#fff 50%,#eee 100%);
  background-image:-o-linear-gradient(top,#fff 0%,#ddd 50%,#fff 50%,#eee 100%);
  background-image:linear-gradient(top,#fff 0%,#ddd 50%,#fff 50%,#eee 100%);
  -webkit-box-shadow:0 2px 3px rgba(0,0,0,0.4),
    inset 0 -1px 1px #888,
    inset 0 -5px 1px #bbb,
    inset 0 -6px 0 white;
  -moz-box-shadow:0 2px 3px rgba(0,0,0,0.4),
    inset 0 -1px 1px #888,
    inset 0 -5px 1px #bbb,
    inset 0 -6px 0 white;
  box-shadow:0 2px 3px rgba(0,0,0,0.4),
    inset 0 -1px 1px #888,
    inset 0 -5px 1px #bbb,
    inset 0 -6px 0 white;
  -webkit-border-radius:3px;
  -moz-border-radius:3px;
  border-radius:3px;
  font:normal 11px Arial,Sans-Serif;
  color:#666;
  text-shadow:0 1px 0 white;
  cursor:text;
}

span.toggle_button label:before
{
  content:attr(data-off);
  position:absolute;
  top:14px;
  right:0;
  left:0;
  z-index:4;
}

span.toggle_button label:after
{
  content:attr(data-on);
  position:absolute;
  right:0;
  bottom:17px;
  left:0;
  text-shadow:0 -1px 0 #eee;
}

span.toggle_button input:checked + label
{
  background-image:-webkit-linear-gradient(top,#eee 0%,#ccc 50%,#fff 50%,#eee 100%);
  background-image:-moz-linear-gradient(top,#eee 0%,#ccc 50%,#fff 50%,#eee 100%);
  background-image:-ms-linear-gradient(top,#eee 0%,#ccc 50%,#fff 50%,#eee 100%);
  background-image:-o-linear-gradient(top,#eee 0%,#ccc 50%,#fff 50%,#eee 100%);
  background-image:linear-gradient(top,#eee 0%,#ccc 50%,#fff 50%,#eee 100%);
  -webkit-box-shadow:0 0 1px rgba(0,0,0,0.4),
    inset 0 1px 7px -1px #ccc,
    inset 0 5px 1px #fafafa,
    inset 0 6px 0 white;
  -moz-box-shadow:0 0 1px rgba(0,0,0,0.4),
    inset 0 1px 7px -1px #ccc,
    inset 0 5px 1px #fafafa,
    inset 0 6px 0 white;
  box-shadow:0 0 1px rgba(0,0,0,0.4),
    inset 0 1px 7px -1px #ccc,
    inset 0 5px 1px #fafafa,
    inset 0 6px 0 white;
}

span.toggle_button input:checked:hover + label
{
  -webkit-box-shadow:0 1px 3px rgba(0,0,0,0.4),
    inset 0 1px 7px -1px #ccc,
    inset 0 5px 1px #fafafa,
    inset 0 6px 0 white;
  -moz-box-shadow:0 1px 3px rgba(0,0,0,0.4),
    inset 0 1px 7px -1px #ccc,
    inset 0 5px 1px #fafafa,
    inset 0 6px 0 white;
  box-shadow:0 1px 3px rgba(0,0,0,0.4),
    inset 0 1px 7px -1px #ccc,
    inset 0 5px 1px #fafafa,
    inset 0 6px 0 white;
}

span.toggle_button input:checked + label:before
{
  z-index:1;
  top:17px;
}

span.toggle_button input:checked + label:after
{
  bottom:15px;
  z-index:4;
}

.panel div.display
{
  font-size: 20px;
}

button.detail
{
  position:absolute;
  right: 4px;
  font-size: 11px;
}

div.knob
{
  --color0: #f0f0f0;
  --color1: #f4f4f4;
  --color2: #e8e8e8;
  --color3: #c0c0c0;
  --color4: #404040;
  --size: 10em;
  --font-family: "Montserrat";

  position: relative;
  width: var(--size);
  height: var(--size);
  border-radius: 50%;
  margin: 2em auto;
  touch-action: none;

  border: solid 0.25em var(--color3);
  background: var(--color0);
  background: -webkit-gradient(linear, left bottom, left top, color-stop(0, var(--color1)), color-stop(1, var(--color2)));
  background: -ms-linear-gradient(bottom, var(--color1), var(--color2));
  background: -moz-linear-gradient(center bottom, var(--color1) 0%, var(--color2) 100%);
  background: -o-linear-gradient(#var(--color1), var(--color2));
  -webkit-box-shadow: 0 0.2em 0.1em 0.05em rgba(255, 255, 255, 0.1) inset, 0 -0.2em 0.1em 0.05em rgba(0, 0, 0, 0.5) inset, 0 0.5em 0.65em 0 rgba(0, 0, 0, 0.3);
  -moz-box-shadow: 0 0.2em 0.1em 0.05em rgba(255, 255, 255, 0.1) inset, 0 -0.2em 0.1em 0.05em rgba(0, 0, 0, 0.5) inset, 0 0.5em 0.65em 0 rgba(0, 0, 0, 0.3);
  box-shadow: 0 0.2em 0.1em 0.05em rgba(255, 255, 255, 0.1) inset, 0 -0.2em 0.1em 0.05em rgba(0, 0, 0, 0.5) inset, 0 0.5em 0.65em 0 rgba(0, 0, 0, 0.3);
}

div.knob .knob-inner
{
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  -webkit-transform: rotate(0deg);
  -moz-transform: rotate(0deg);
  -o-transform: rotate(0deg);
  -ms-transform: rotate(0deg);
  transform: rotate(0deg);
  z-index: 10;
  user-select: none;
  touch-action: none;
}

div.knob .knob-inner:before
{
  content: "";
  position: absolute;
  bottom: 19%;
  left: 19%;
  width: 6%;
  height: 6%;
  background-color: #a8d8f8;
  border-radius: 50%;
  -webkit-box-shadow: 0 0 0.4em 0 #79c3f4;
  -moz-box-shadow: 0 0 0.4em 0 #79c3f4;
  box-shadow: 0 0 0.4em 0 #79c3f4;
}

div.knob .min, div.knob .max
{
  display: block;
  font-family: var(--font-family);
  color: var(--color4);
  text-transform: uppercase;
  -webkit-font-smoothing: antialiased;
  position: absolute;
  opacity: 0.5;
}

div.knob .min
{
  bottom: -1em;
  left: -1em;
}

div.knob .max
{
  bottom: -1em;
  right: -1em;
}

div.knob .tick
{
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 5;
  overflow: visible;
  touch-action: none;
}

div.knob .tick:after
{
  content: "";
  width: 0.08em;
  height: 0.6em;
  background-color: rgba(200, 200, 200, 0.8);
  position: absolute;
  top: -1.5em;
  left: 50%;
  -webkit-transition: all 180ms ease-out;
  -moz-transition: all 180ms ease-out;
  -o-transition: all 180ms ease-out;
  transition: all 180ms ease-out;
}

div.knob .activetick:after
{
  background-color: #a8d8f8;
  -webkit-box-shadow: 0 0 0.3em 0.08em #79c3f4;
  -moz-box-shadow: 0 0 0.3em 0.08em #79c3f4;
  box-shadow: 0 0 0.3em 0.08em #79c3f4;
  -webkit-transition: all 50ms ease-in;
  -moz-transition: all 50ms ease-in;
  -o-transition: all 50ms ease-in;
  transition: all 50ms ease-in;
}

div.knob .current-value
{
  display: block;
  position: absolute;
  bottom: -2em;
  margin: 0 auto;
  width: 100%;
  text-align: center;
  font-family: var(--font-family);
}

div.knob .range
{
  display: block;
  position: absolute;
  visibility: hidden;
  top: 0;
  left: 0;
  right:0;
  margin: 0 auto;
}