* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
li {
  list-style: none;
}
@font-face {
  font-family: electronicFont;
  src: url("../font/DS-DIGIT.TTF");
}
body {
  background: url('../images/bg.jpg') no-repeat top center;
  line-height: 1.15;
}
header {
  position: relative;
  height: 1.25rem;
  background: url('../images/head_bg.png') no-repeat;
  background-size: 100% 100%;
}
header h1 {
  font-size: 0.475rem;
  color: #fff;
  text-align: center;
  line-height: 1rem;
}
header .back {
  position: absolute;
  left: 0.375rem;
  line-height: 0.9375rem;
  color: #ffffff;
  font-size: 0.25rem;
  top: 0;
  cursor: pointer;
}
header .back:hover {
  color: rgba(255, 255, 255, 0.7);
}
header .showTime {
  position: absolute;
  right: 0.375rem;
  line-height: 0.9375rem;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.25rem;
  top: 0;
}
.mainbox {
  display: flex;
  margin: 0 auto;
  padding: 0.125rem 0.125rem 0.125rem;
}
.mainbox .column {
  flex: 2;
}
.mainbox .column:nth-child(2) {
  flex: 2;
}