.bottom-nav{
  position:fixed;
  left:50%;
  bottom:0;
  transform:translateX(-50%);
  width:100%;
  max-width:430px;
  z-index:9999;
  display:none;
}

.bottom-nav.show{display:block}

.bottom-nav img{
  width:100%;
  display:block;
  pointer-events:none;
}

.nav-hit{
  position:absolute;
  top:0;
  bottom:0;
  width:20%;
  height:100%;
  display:block;
  z-index:10000;
  background:transparent;
}

.nav-home{left:0}
.nav-health{left:20%}
.nav-memory{left:40%}
.nav-ai{left:60%}
.nav-settings{left:80%}