body, html {
  height: 100%;
  -webkit-tap-highlight-color: transparent;
}
.demos-title {
  text-align: center;
  font-size: 18px;
  color: #3cc51f;
  font-weight: 400;
  margin: 0 15%;
}

.demos-sub-title {
  text-align: center;
  color: #888;
  font-size: 14px;
}

.demos-header {
  padding: 12px 0;
}

.demos-header img {
  display: block;
  margin: 0 auto;
  height: 100px;
  width: 100px;
  border-radius: 50px;
  box-shadow: 0px 1px 5px #999;
}

.demos-content-padded {
  padding: 15px;
}

.demos-second-title {
  text-align: center;
  font-size: 24px;
  color: #3cc51f;
  font-weight: 400;
  margin: 0 15%;
}

.weui_foot {
  position: absolute;
  bottom: 0;
  width: 100%;
  background-color: #f7f7fa;
}

.weui_foot_box {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  position: absolute;
  bottom: 0;
  width: 100%;
  background-color: #f7f7fa;
}

.bottom-btn {
  padding: 10px 15px;
}