.wp-block-post-title {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.custom-menu {
  width: 100%;
  margin: 13px 3px;          /* tighten vertical spacing */
  text-align: center;
}

.custom-menu ul {
  list-style: none;
  margin: 0;
  padding: 3px 0;         /* 3px top/bottom */
  display: flex;
  justify-content: center;
  gap: 13px;               /* 3px between items */
  align-items: center;
}

.custom-menu li {
  position: relative;
  padding: 1px 3px;       /* 1px top/bottom, 3px left/right */
  white-space: nowrap;
  cursor: pointer;
}

.custom-menu ul ul {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  margin: 0;
  padding: 3px 0;      /* keep your tight padding */
  list-style: none;
  white-space: nowrap;
  z-index: 1000;
  text-align: left;    /* <- new */
}

.custom-menu ul li:hover > ul {
  display: block;
  background-color: #e0dac2;
  padding: 7px;
  border-radius: 13px;
  margin-left: 13px;
}

.custom-menu ul ul li {
  padding: 1px 3px;       /* same tight padding for submenu items */
}