.deco-\{, .deco-\} {
  font-size: 1em;
  color: #FFF;
  background-color: #5d6966;
  padding: 0.3em 0.2em 0.3em 0.2em;
  border-radius: 0.4em;
  margin: auto 0.3em;
  display: inline-block;
  max-width: calc(100% - 100px);
  vertical-align: top;
}

.deco-\{:before {
  position: absolute;
  margin: 0;
  padding: 0;
  transform: translateX(-100%) translateY(calc(1em - 80%));
  width: 0;
  content: "";
  border-width: 0 0 0.6em 0.6em;
  border-style: solid;
  border-color: #5d6966 transparent;
}

.deco-\}:after {
  position: absolute;
  margin: 0;
  padding: 0;
  transform: translateY(calc(1em - 80%));
  width: 0;
  content: "";
  border-width: 0 0.6em 0.6em 0;
  border-style: solid;
  border-color: #5d6966 transparent;
}

.deco-\! {
  background-color: #ee6666;
}
.deco-\!:before, .deco-\!:after {
  border-color: #ee6666 transparent;
}

.deco-\{ a,
.deco-\} a {
  color: #87CEEB;;
}