mobile-header {

z-index: 3;
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 40px;
background-color: #fff;
display: none;
box-shadow: 0 0 4px rgba(0,0,0,0.25);
.menu-button {
  position: absolute;
  width: 24px;
  height: 24px;
  top: 8px;
  left: 12px;
  background: url("../assets/images/menu.png") center center no-repeat;
  background-size: 24px;
  opacity: 0.5;
}
.logo {
  position: absolute;
  top: 5px;
  left: 50%;
  margin-left: -15px;
  background-size: 30px;
  img {
    width: 30px;
    height: 30px;
  }
}

} mobile-shade {

z-index: 1;
display: none;
pointer-events: none;
opacity: 0;
transition: opacity 0.3s ease;
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
background-color: rgba(0,0,0,0.4);

}

@media screen and (max-width: 560px) {

body {
  font-size: 14px;
}
body.sidebar-open {
  #sidebar {
    transform: translate3d(0, 0, 0);
  }
  #mobile-shade {
    opacity: 1;
    pointer-events: auto;
  }
}
#header {
  height: 40px;
}
#top-nav {
  display: none;
}
#site-nav {
  display: none;
}
#mobile-header {
  display: block;
}
#mobile-shade {
  display: block;
}
#sidebar-mobile {
  display: block;
}
#wrap {
  padding-top: 40px;
  padding-left: 0;
}
#sidebar {
  top: 0;
  left: 0;
  padding-top: 60px;
  border-right: none;
  box-shadow: 0 0 4px rgba(0,0,0,0.25);
  transition: transform 0.3s ease;
  transform: translate3d(-120%, 0, 0);
  display: block;
}

}