#posts > div > p > span:first-child {
  color: green;
}

.self {
  color: gray;
}

#username-self {
  color: lightgreen;
}


#posts > div {
  background-color: darkgray;
  padding-left: 5px;
  padding-bottom: 2px;
}

.mention {
  color: blue;
}

.user-mention {
  color: lightgreen;
}

.everyone-mention {
  color: aqua;
}

body {
  background-color: black;
}

textarea {
  background-color: gray;
}

button {
  background-color: gray;
}

* {
  font-family: 'system-ui';
}