.side-menu {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  width: fit-content;
  height: 100%;
  padding: 20px;
}

.side-menu label {
  width: 100%;
  padding: 10px;
  color: var(--gray);
  border-bottom: 1px solid var(--gray-dark);
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.side-menu label::after {
  position: absolute;
  bottom: 0;
  left: 0;
  content: '';
  width: 0%;
  height: 2px;
  transition: all 250ms ease;
  background: var(--yellow);
}

.side-menu label:hover:after {
  width: 100%;
}

.side-menu label:hover,
#headers-radio:checked ~ .side-menu #headers-lbl,
#text-radio:checked ~ .side-menu #text-lbl,
#buttons-radio:checked ~ .side-menu #buttons-lbl,
#tables-radio:checked ~ .side-menu #tables-lbl,
#nav-radio:checked ~ .side-menu #nav-lbl,
#msg-radio:checked ~ .side-menu #msg-lbl,
#spinner-radio:checked ~ .side-menu #spinner-lbl,
#panels-radio:checked ~ .side-menu #panels-lbl,
#form-radio:checked ~ .side-menu #form-lbl,
#colors-radio:checked ~ .side-menu #colors-lbl {
  color: var(--yellow);
  background: var(--yellow-tint);
}

.side-menu label .fas,
.side-menu label .fab {
  transition: all 250ms ease;
}
.side-menu label:hover .fas,
.side-menu label:hover .fab {
  color: var(--red);
  animation: pop 250ms ease-in forwards;
}

.side-menu .home {
  font-size: 1.5em;
  margin: 0 auto;
}

.fas,
.fab {
  font-size: 0.85em;
}

@keyframes pop {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.25);
  }
  100% {
    transform: scale(1);
  }
}