.sidr {
  display: none;
  position: absolute;
  position: fixed;
  top: 0;
  height: 100%;
  z-index: 999999;
  width: 260px;
  /*   overflow-x: none;*/
  /* overflow-y: auto; */
  overflow-y:scroll;
  background: #333;
  color: #fff;
  -webkit-overflow-scrolling: touch;
}

.sidr .sidr-inner {
    padding: 0 0 15px;
}
.sidr .sidr-inner>p {
    margin-left: 15px;
    margin-right: 15px;
}
.sidr.right {
    left: auto;
    right: -260px;
}
.sidr.left {
    left: -260px;
    right: auto;
}