body {
  font-family: "Roboto", sans-serif;
  background-color: gainsboro;
}
.container {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  display: flex;
}
.cabecalho {
  flex-basis: 30%;
}
.cabecalho__logo {
  margin-top: 10px;
  margin-bottom: 50px;
}
.cabecalho__logo figcaption {
  display: none;
}
.cabecalho__menuItem {
  margin-bottom: 25px;
}
.cabecalho__menuItem img {
  max-width: 26px;
}
.cabecalho__menuItem a {
  color: #000;
  text-decoration: none;
  font-size: 22px;
  vertical-align: top;
  cursor: pointer;
}
.cabecalho__menuItem a:hover {
  color: hotpink;
}
.conteudoPrincipal {
  flex-basis: 70%;
  margin-top: 25px;
  border-left: 1px solid #e7ecf0;
  border-right: 1px solid #e7ecf0;
  border-radius: 10px;
  background-color: whitesmoke;
}
.conteudoPrincipal__titulo {
  padding: 10px 30px;
  font-weight: 900;
}
.conteudoPrincipal__formulario {
  padding: 10px 30px;
  border-top: 1px solid #e7ecf0;
  border-bottom: 10px solid #e7ecf0;
  text-align: right;
}
.conteudoPrincipal__formulario textarea {
  display: block;
  width: 100%;
  border: none;
  outline: none;
  resize: none;
  height: 55px;
}
.conteudoPrincipal__formulario button {
  background-color: hotpink;
  border: none;
  padding: 10px 20px;
  color: #fff;
  border-radius: 20px;
  margin-top: 10px;
  opacity: 50%;
}
.conteudoPrincipal__formulario button:hover {
  opacity: 100%;
}
.conteudoPrincipal__listaTweets {
  display: flex;
  flex-flow: column-reverse nowrap;
}
.conteudoPrincipal__tweet {
  padding: 20px 32px;
  display: flex;
  align-items: flex-start;
  border-bottom: 1px solid #e7ecf0;
}
.tweet__conteudo {
  margin-left: 15px;
}
.tweet__conteudo h2 {
  display: inline-block;
}
.tweet__fotoPerfil {
  max-block-size: 50px;
}
.username {
  display: inline-block;
  color: #828282;
  font-size: 12px;
  margin-left: 5px;
}
.tweet__conteudo p {
  margin-top: 15px;
  color: #333333;
}
.corRosa {
  color: hotpink;
}