.ad-titlebar {
  display: flex;
  align-items: center;
  border-bottom: 1px solid #d7d7d7;
}
.light {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  box-shadow:inset 0 0 0 1px rgba(0,0,0,0.2);
  position: relative;
}
.light-close{background:#FF5F57;}
.light-min{background:#FEBC2E;}
.light-max{background:#28C840;}
.fake-urlbar {
  flex-grow:1;
  background:#fff;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  border:1px solid #ddd;
  border-radius: 7px;
  padding:5px 10px;
  font-size:12px;
  text-align:center;
  color:#5a5a5a;
}
.titlebar-spacer {
  width:44px;
}

.ad-content-absolute {
    width: 100px;
    height: 100px;
    background-color: grey;
}
.the-flex-thing {
    display:flex;
    justify-content: center;
}