/* 全局样式 */
body {
  background-color: white;
  color: black;
}

/* Header layout styling */
.header-container {
  margin-bottom: 1rem;
  overflow: hidden; /* Clearfix */
}

.header-container * {
  float: left;
}

.header-container > div:last-child {
  float: right;
}
@media (min-width: 769px) {
  .header-container > div,
  .header-container > p {
    line-height: 2.5rem;
  }
}

@media (max-width: 768px) {
  .header-container > * {
    float: none;
    display: block;
    width: 100%;
    margin: 0.25rem 0;
  }
}