:root{
  --sans:Helvetica,"Liberation Sans",sans-serif;
  --mono:"DejaVu Sans Mono",monospace;
}
*,html{
  padding:0;margin:0
}
body{
  margin:0;
  font-family:var(--sans);
  font-size:1rem;
}
main *{
  margin:1rem 0
}
main{
  /*padding:1rem*/
  margin:1rem
}
p{
  /*margin:1rem;*/
  text-align:justify;
}
section{
  padding:0 1rem;
  border/*-left*/:solid gray .1rem;
}
section:has(p){
  /*display:grid;*/
  columns:65ex auto;
  column-rule: dotted gray .1rem;
  gap:16rem 2rem;
}
h1,h2{
  column-span:all;
}
p:first-of-type {
  margin-top: 0;
}
section:not(:last-of-type) {
  border-bottom: .05rem dashed #666;
  /*padding-bottom: 40px;
  margin-bottom: 40px; */
}
/*section:not(:last-child)::after {
  content: "♦ ♦ ♦";
  display: block;
  text-align: center;
  color: #e74c3c;
  font-size: 24px;
  margin-top: 50px;
}*/
.cscr{
  display:grid;
  place-items:center;
  min-height:100vh;
}
.ccir,.cu{
  font-size:8rem;
}
.ccir{
  opacity:.1;
}

header,footer{
  margin:0;padding:.5rem;
  color:white;background-color:black;
}
samp{
  font-family:var(--mono);
}
samp :not(kbd) {
  font-size:.85em;line-height:1;
  background-color:#111;
  color:#eee;
}
/*https://www.w3.org/TR/2011/WD-html5-author-20110809/the-kbd-element.html*/


samp kbd{/*input echo*/
  font-family:var(--mono);
  border:.1rem solid red;
}
kbd kbd samp{/*refs to UI elements*/
  display:inline !important;
  border:1px solid red;
  box-shadow:none;
  padding:0;
  font-family:var(--sans);
}
:not(kbd) kbd kbd {/*keystroke*/
  display:inline-block;
  border-radius:.3rem;
  border:.08rem solid #b4b4b4;
  box-shadow:
    0 .1rem .1rem rgb(0 0 0 / .2),
    0 -.12rem 0 0 rgb(255 255 255 / .7) inset;
  background-color:#eee;color:#333;
  /*font-size:.85em;*/line-height:1;
  font-family:var(--sans);
  /*font-weight:bold;*/
  padding:.2rem .35rem;
  white-space:nowrap;
}