.nav_mask {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: #000;
  opacity: 0.3;
}
#nav_content{
  position: absolute;
  right: -3rem;
  top: 0;
  width: 3rem;
  min-width: 3rem;
  height: 100%;
  background-color: #fff;
}
.animate_nav{
  transform: translateX(-3rem);
  transition: 0.3s;
}
.animate_close{
  transform: translateX(3rem);
  transition: 0.3s;
}
.navtab_h5 {
  width: 100%;
  margin-top: 0.4rem;
  padding: 0.2rem 0;
  text-align: center;
  font-size: 0.3rem;
  color: #2F3343 !important;
}
.navtab_h5_1 {
  width: 100%;
  margin-top: 0.4rem;
  padding: 0.2rem 0;
  text-align: center;
  font-size: 0.3rem;
  color: #2F3343 !important;
}