<div lang="en"><q>This English quote has a <q>nested</q> quote inside.</q></div>
<div lang="fr"><q>This French quote has a <q>nested</q> quote inside.</q></div>
<div lang="de"><q>This German quote has a <q>nested</q> quote inside.</q></div>
<div lang="ko"><q>Korean quote</q></div>

@import url("https://fonts.googleapis.com/css?family=Gochi+Hand");

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-en: #03a9f4;
  --color-fr: #53b256;
  --color-de: #f29235;
  --color-ko: #f5d67b;
}

body {
  width: 100vw;
  height: 100vh;
  margin: 0;
  padding: 0;
  background-color: #291642;
  font-family: "Gochi Hand", sans-serif;
  font-size: 130%;
  letter-spacing: 0.1rem;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

div {
  margin: 2vh;
}

:lang(en) > q {
  color: var(--color-en);
  quotes: "\201C""\201D""\2018""\2019";
}
:lang(fr) > q {
  color: var(--color-fr);
  quotes: "« " " »";
}
:lang(de) > q {
  color: var(--color-de);
  quotes: "»" "«" "\2039""\203A";
}
:lang(ko) > q {
  color: var(--color-ko);
  quotes: "\300C""\300D""\300E""\300F""\300C""\300D""\300E""\300F";
}