body {
  width: 100%;
  height: 100%;
}

.slideout-menu {
	background:#333; color:#fff;   box-sizing: border-box; padding:10px;
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  right: 0;
  z-index: 0;
  width: 256px;
  overflow-y: scroll;
  -webkit-overflow-scrolling: touch;
  display: none;
}
.slideout-menu a {display:block; padding:5px;}

.slideout-menu ul {margin:0; padding:0; border-bottom:1px solid #f00;}
.slideout-menu ul li {display:block; padding:0; margin:0;}
#mobile_top_menu {background:#444;}

.slideout-panel {
  position: relative;
  z-index: 1;
  will-change: transform;
}

.slideout-open,
.slideout-open body,
.slideout-open .slideout-panel {
  overflow: hidden;
}

.slideout-open .slideout-menu {
  display: block;
}