.sidr {
  position: fixed;
  z-index: 999999;
  top: 0;
  display: block;
  width: 260px;
  height: 100%;
  background: #f8f8f8;
  box-shadow: 0 0 5px 5px #ebebeb inset;
  color: #333;
  font-size: 15px;
  overflow-x: hidden;
  overflow-y: auto;
}
.sidr .sidr-inner {
  padding: 0 0 15px;
}
.sidr .sidr-inner > p {
  margin-right: 15px;
  margin-left: 15px;
}
.sidr.right {
  right: -260px;
  left: auto;
}
.sidr.left {
  right: auto;
  left: -260px;
}