/* 基础通用样式 */
body {
  font-family: "微软雅黑", Arial, sans-serif;
  background: #f5f5fa;
  text-align: center;
}
#main-menu,
#room {
  margin-top: 60px;
}
button {
  font-size: 18px;
  padding: 8px 24px;
  margin: 10px;
}
.choice-btn {
  min-width: 70px;
}
#room-info {
  font-size: 1.3em;
  color: #444;
  text-shadow: 1px 1px 1px #fff, -1px -1px 1px #fff, 1px -1px 1px #fff, -1px 1px 1px #fff;
}
#ready-status {
  text-shadow: 1px 1px 1px #fff, -1px -1px 1px #fff, 1px -1px 1px #fff, -1px 1px 1px #fff;
}
input[type="text"] {
  font-size: 18px;
  width: 120px;
  padding: 4px;
}
h2 {
  margin: 20px 0 14px 0;
}
html,
body {
  margin: 0;
  padding: 0;
  width: 100vw;
  height: 100vh;
  min-height: 100vh;
  overflow-x: hidden;
  box-sizing: border-box;
}