#mmm {
  position: fixed;
  width: 260px;
  right: -260px;
  top: 0;
  background: #0c0c0c;
  z-index: 200;
  padding: 15px 15px 15px 30px;
  top: 0;
  height: 100%;
  box-sizing: border-box;
}

#mmm:hover {
  right: 0;
}

#iii {
  overflow-y: scroll;
  position: absolute;
  width: 100%;
  top: 30px;
  height: 85%;
}

#mmm a {
  text-decoration: none;
  color: #fff;
  font-size: 14px;
  display: block;
  color: #666;
  margin: 5px 0;
  transition: color 100ms ease-in-out;
}

#mmm a:hover {
  color: #fff;
}

#ooo {
  width: 30px;
  height: 29px;
  position: absolute;
  bottom: 0;
  left: -30px;
  background: #0c0c0c;
  border-bottom-left-radius: 2px;
}

#ooo:before {
  content: '';
  position: absolute;
  right: 7px;
  display: block;
  width: 16px;
  top: -1px;
  height: 0;
  box-shadow: 0 10px 0 1px #fff, 0 16px 0 1px #fff, 0 22px 0 1px #fff;
}