body {
  margin: 0;
  font-family: 'Helvetica', sans-serif;
  background-color: #fafafa;
  display: flex;
  justify-content: center;
}

.post-container {
  margin-top: 40px;
  background: white;
  border: 1px solid #dbdbdb;
  max-width: 500px;
  width: 100%;
}

.post-image img {
  width: 100%;
  display: block;
}

.post-details {
  padding: 16px;
}

.post-user {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
}

.post-user img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  margin-right: 10px;
}

.username {
  font-weight: bold;
}

.post-likes {
  margin-bottom: 8px;
  font-weight: 500;
}

.post-caption {
  margin-bottom: 12px;
}

.post-comments .comment {
  margin-bottom: 6px;
}

.comment-box {
  display: flex;
  border-top: 1px solid #eee;
  padding-top: 12px;
}

.comment-box input {
  flex: 1;
  padding: 8px;
  border: none;
  background: transparent;
}

.comment-box input:focus {
  outline: none;
}

.comment-box button {
  background: none;
  border: none;
  color: #3897f0;
  font-weight: bold;
  cursor: pointer;
}