Subtitle
🔴 🟡 🟢
theme.json
{
"styles": {
"blocks": {
"core/post-title": {
"css": "letter-spacing: 1px;"
},
"core/heading": {
"css": "&::before {\n content: '👍';\n display: inline-block;\n}"
}
}
},
"$schema": "https://schemas.wp.org/trunk/theme.json",
"version": 2
}