cp_simple_x.css

/* Basic.css  */

* {box-sizing: border-box}

:root{
--sans: 1em/1.6 system-ui, -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen, Ubuntu, Cantarell, Droid Sans, Helvetica Neue, Fira Sans, sans-serif;
--mono: SFMono-Regular, Consolas, 'Liberation Mono', Menlo, Courier, 'Courier New', monospace;
--c1:#0074d9;
--c2:#eee;
--c3:#fff;
--c4:#000;
--c5:#fff;
--m1: 8px;
--rc: 8px;
}

@media (prefers-color-scheme: dark) {
	:root {
    --c2:#333;
    --c3:#1e1f20;
    --c4:#fff;
	}
}

html {
    -ms-text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;

}

/* General settings */

body {
    margin: 0;
    font: var(--sans);
    font-weight: 400;
    font-style: normal;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    background-color: var(--c3);
    color: var(--c4);
}
img, iframe {border: none; max-width: 100%}

a {color: var(--c1);  text-decoration:none}

a:hover {color: var(--c1); text-decoration: underline}

pre {font: 1em/1.6 var(--mono); background: var(--c2); padding: 1em; overflow: auto}

code {font: 1em/1.6 var(--mono);}

blockquote {border-left: 5px solid var(--c2); padding: 1em 1.5em; margin: 0}

hr {border:0; border-bottom: 1px solid var(--c4)}

 /* Headlines */

h1,h2,h3,h4,h5,h6 {margin: 0.6em 0; font-weight: normal}

h1 {font-size: 2.625em; line-height: 1.2}

h2 {font-size: 1.625em; line-height: 1.2}

h3 {font-size: 1.3125em; line-height: 1.24}

h4 {font-size: 1.1875em; line-height: 1.23}

h5,h6 {font-size: 1em; font-weight:bold}

/* Table */

table {border-collapse: collapse; border-spacing: 0; margin:1em 0}

th, td {text-align: left; vertical-align: top; border: none; padding: 0.4em}

thead,tfoot {background: var(--c2)}

/* Rounded Corners*/

pre,code,input,select,textarea,button,img {border-radius: var(--rc)}


/* Forms */

input, select, textarea {font-size: 1em; color:var(--c4); background: var(--c2); border: 0; padding: 0.6em}

button, input[type=submit], input[type=reset], input[type="button"] { -webkit-appearance: none; font-size: 1em; display: inline-block; color: var(--c5); background: var(--c1);  border: 0; margin: 4px;  padding: 0.6em; cursor: pointer; text-align: center}

button:hover, button:focus, input:hover, textarea:hover, select:hover {opacity: 0.8}


.led{
    width: 100px;
}
.led-off{
    background-color: #600;
}
.led-on{
    background-color: #F00;
}
.led-on-blue{
    background-color: #00F;
}
.led-on-yellow{
    background-color: #FF0;
}
.led-on-green{
    background-color: #0F0;
}