html {
  overflow: hidden;
  height: 100%;
}
body {
  position: relative;
  overflow: hidden;
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: #eee url(bg.jpg);
  font-family: "微软雅黑";
}
.logo {
  margin: 0 auto;
  margin-top: 20px;
  width: 400px;
  height: 100px;
  
}
.logo img {
  width: 100%;
  height: 100%;
}
#wrapper {
  position: absolute;
  top: 50%;
  left: 50%;
  margin-top: -60px;
  margin-left: -250px;
  width: 500px;
  height: 120px;
  text-align: center;
}
#start,
#stop {
  display: inline-block;
  padding: 0 1em;
  outline: 0;
  border: 3px solid #ddd;
  border-radius: 25px;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  vertical-align: middle;
  font-size: 19px;
  font-family: "微软雅黑";
  line-height: 2;
  cursor: pointer;
  transition: 0.5s;
  -webkit-appearance: none;
}
#start:hover {
  border: 3px solid #ccc;
  background: rgba(0, 0, 0, 0.7);
}
#cfg {
  color: #666;
  text-shadow: 1px 1px 1px #eee;
  font-size: 12px;
  cursor: pointer;
}
.temp {
  position: absolute;
  z-index: -1;
  color: #777;
}
#popbox {
  position: absolute;
  top: 50%;
  left: 50%;
  margin-top: -140px;
  margin-left: -210px;
  padding: 0 10px;
  width: 400px;
  height: 280px;
  -webkit-border-radius: 7px;
  -moz-border-radius: 7px;
  border-radius: 7px;
  background: #fff;
  -webkit-box-shadow: 0 0 22px #333, inset 0 -3px 7px #ddd;
  -moz-box-shadow: 0 0 22px #333, inset 0 -3px 7px #ddd;
  box-shadow: 0 0 22px #333, inset 0 -3px 7px #ddd;
}
#ok {
  float: right;
  margin: -3px 0 0;
  width: 50px;
  height: 22px;
  color: #666;
  cursor: pointer;
}
.copyright {
  position: absolute;
  bottom: 0;
  padding: 10px 0;
  width: 100%;
  background-color: #e9e9e9;
  color: #777;
  text-align: center;
  font-size: 13px;
}
.copyright p {
  margin-bottom: 10px;
  padding: 0;
}
.copyright span {
  margin: 0 0.5em;
  opacity: 0.8;
}
.copyright a {
  color: #777;
  text-decoration: none;
}
.copyright a:hover {
  text-decoration: underline;
}