.os_search_bg {
  border-radius: 10px;
  bottom: 30px;
  margin: 0 auto;
  max-width: 720px;
  z-index: 998;
  position: absolute;
  left: 0;
  right: 0;
  width: 100%;
  opacity: 0.7;
  min-height: 300px;
}
.os_search {
  background: none;
}