.sidr {
  display: block;
  position: fixed;
  top: 0;
  height: 100%;
  z-index: 999999;
  width: 300px;
  overflow-x: hidden;
  overflow-y: auto;
  background: #f8f8f8;
  color: #333;
  border-right: 1px solid black;
/*   box-shadow: 10px 0 -2px 5px #ebebeb inset; */
  padding: 20px;
}

.sidr .sidr-inner {

}

.sidr.right {
  left: auto;
  right: -300px;
}

.sidr.left {
  left: -300px;
  right: auto;
}