body,
html {
  min-height: 100%;
  font-family: 'Microsoft YaHei', 'Arial', '黑体', '宋体', sans-serif;
}

* {
  -webkit-tap-highlight-color: transparent;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

::-webkit-scrollbar {
  display: none !important;
}

.button-active {
  overflow: hidden;
  position: relative;
}
.button-active:active:after {
  top: 0;
  left: 0;
  z-index: 1;
  width: 100%;
  content: '';
  height: 100%;
  display: block;
  position: absolute;
  background: rgba(0, 0, 0, 0.1);
}

.btn {
  position: relative;
  overflow: hidden;
}

.btn:active:after {
  content: '';
  display: block;
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  background: rgba(0, 0, 0, 0.1);
  z-index: 1;
}