body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #fafafa;
  padding: 30px;
  max-width: 800px;
  margin: auto;
}

h1 {
  color: #ff4500;
}

form {
  margin-bottom: 20px;
}

input {
  padding: 10px;
  width: 60%;
  border: 1px solid #ccc;
  border-radius: 4px;
}

button {
  padding: 10px 15px;
  background-color: #ff4500;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

ul {
  list-style: none;
  padding: 0;
}

.post {
  background: white;
  padding: 15px;
  margin-bottom: 20px;
  border-radius: 8px;
  border-left: 5px solid #ff4500;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.post a {
  text-decoration: none;
  color: #333;
}

.post a:hover {
  text-decoration: underline;
}

.autor {
  font-size: 0.9em;
  color: #777;
}

.icon {
  width: 40px;
  height: 40px;
  border-radius: 20px;
  margin-right: 10px;
}

.header {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
}

.preview {
  max-width: 100%;
  margin-top: 10px;
  border-radius: 5px;
}