.hide {
  display: none;
}
.hide-font {
  text-indent: 999rem;
}
.make1 {
  background: #CCCCFF !important;
}
.make2 {
  background: #66CCFF !important;
}
.error-mark {
  background: #FF3300 !important;
}
html {
  font-size: 14px;
  height: 100%;
}
body {
  padding: 0;
  margin: 0;
  background-color: #eeeeee;
  font-family: "Menlo", "Monaco", "Consolas", "微软雅黑", "Heiti";
  overflow: hidden;
  user-select: none;
  max-width: 450px;
  height: 100%;
  margin: 0px auto;
}
body > * {
  max-width: 450px;
}
.main {
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  height: 100%;
}
header {
  background: #0099CC;
  height: 4rem;
  line-height: 4rem;
  font-size: 2rem;
  text-indent: 1rem;
}
.setting {
  height: 4rem;
  display: flex;
  line-height: 4rem;
  text-align: center;
}
.setting > div {
  flex: 1;
  background: #607d8b;
  font-size: 1.5rem;
  color: #ffffff;
  border-right: 1px solid #888888;
}
.setting > div:hover {
  background: #91b1c1;
}
.setting > div > select {
  background: transparent;
  color: #fff;
  border: 0px;
  font-size: 1.5rem;
  line-height: 100%;
  height: 100%;
}
.container {
  background: #FFFFCC;
  flex: 1;
  justify-content: center;
  align-items: center;
  display: flex;
  flex-direction: column;
}
.pupop {
  box-sizing: border-box;
  border: 1px solid #888888;
  position: absolute;
  background: #FFCC99;
  top: 100px;
  left: 100px;
  color: #000033;
  font-size: 1.4rem;
  border-width: 1px;
}
.pupop > div {
  box-sizing: border-box;
}
.pupop > div span {
  box-sizing: border-box;
  display: inline-block;
  width: 2.2rem;
  text-align: center;
  height: 2.2rem;
  line-height: 2.2rem;
  border-left: 1px solid #888888;
  border-top: 1px solid #888888;
}
.pupop > div span:last-child {
  border-right: 1px solid #888888;
}
.pupop > div span.right-col {
  border-right: 1px solid #888888;
}
.pupop > div span.default {
  background: #FFFF99;
}
.pupop > div span.empty {
  background: #FFFFFF;
}
.pupop > div:last-child {
  border-bottom: 1px solid #888888;
}
.pupop > div.bottom-row > span {
  border-bottom: 1px solid #888888;
}
.pupop > div.bottom-row:last-child > span {
  border-bottom: 0px;
}
.answer {
  display: none;
}
.matrix {
  box-sizing: border-box;
  border: 1px solid #888888;
}
.matrix > div {
  box-sizing: border-box;
}
.matrix > div span {
  box-sizing: border-box;
  display: inline-block;
  width: 2.2rem;
  text-align: center;
  height: 2.2rem;
  line-height: 2.2rem;
  border-left: 1px solid #888888;
  border-top: 1px solid #888888;
}
.matrix > div span:last-child {
  border-right: 1px solid #888888;
}
.matrix > div span.right-col {
  border-right: 1px solid #888888;
}
.matrix > div span.default {
  background: #FFFF99;
}
.matrix > div span.empty {
  background: #FFFFFF;
}
.matrix > div:last-child {
  border-bottom: 1px solid #888888;
}
.matrix > div.bottom-row > span {
  border-bottom: 1px solid #888888;
}
.matrix > div.bottom-row:last-child > span {
  border-bottom: 0px;
}
footer {
  height: 4rem;
  display: flex;
  line-height: 4rem;
  text-align: center;
}
footer > button {
  flex: 1;
  background: #99CC99;
  font-size: 1.5rem;
  color: #ffffff;
  border-right: 1px solid #888888;
}
footer > button:hover {
  background: #99CC00;
}