.sidebar-github {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: auto;
  padding: 13px 12px;
  border: 1px solid #385339;
  border-radius: 10px;
  background: #1b3022;
  color: #c4efaa;
  text-decoration: none;
  font-size: 12px;
  font-weight: 700;
  transition: background .2s, border-color .2s;
}

.sidebar-github:hover,
.sidebar-github:focus-visible {
  background: #28432e;
  border-color: #8ecf6c;
  color: #efffe0;
}

.sidebar-github > span:nth-child(2) { flex: 1; }
.sidebar-github svg { width: 15px; height: 15px; }
.github-dot {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: #34573a;
  color: #d5ffba;
  font-size: 10px;
  line-height: 1;
}
.sidebar-footer { margin-top: 18px; }

@media (max-width: 900px) {
  .sidebar-github { grid-column: 1 / -1; margin-top: 0; }
}