.account-menu-button {
  width: 32px;
  height: 32px;
  min-width: 32px;
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 32px;
  padding: 0;
  border: 1px solid rgba(66,211,236,.56);
  border-radius: 9px;
  background: rgba(18,42,53,.72);
  color: #d9fbff;
  box-shadow: 0 5px 16px rgba(0,0,0,.14);
  text-decoration: none;
  font-size: 16px;
  line-height: 1;
  transition: background .2s, border-color .2s, transform .2s;
}
.account-menu-button:hover,
.account-menu-button.active {
  background: rgba(32,118,137,.72);
  border-color: rgba(127,239,255,.96);
  color: #fff;
  transform: translateY(-1px);
}
@media (max-width:680px) {
  .account-menu-button { width: 32px; height: 32px; min-width: 32px; min-height: 32px; }
}