#bm-bg {
  position: fixed;
  background-color: rgba(0, 0, 0, 0.8);
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: none;
  overflow: hidden;
	z-index: 1000;
}

#bm-outer {
  position: relative;
  width: 100%;
  height: 100%;
}

#bm-inner {
  position: absolute;
  width: 50%;
  top: 50%;
  left: 50%;
  text-align: center;
  transform: translateY(-50%) translateX(-50%);
  -webkit-transform: translateY(-50%) translateX(-50%);
  box-sizing: border-box;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
}

.bm-img {
  position: absolute;
  width: 100%;
  left: 50%;
  top: 50%;
  transform: translateY(-50%) translateX(-50%);
  -webkit-transform: translateY(-50%) translateX(-50%);
  display: none;
}

@media screen and (max-width: 580px) {

#bm-inner
{
  width: 100%;
}
	
}