holakit/packages/core/dist/collection/components/hola-button/hola-button.css

Yet another design-driven UI component set.

.button {
  display: inline-block;
  text-decoration: none;
  padding: 0.5em 1em;
  margin: 0.15em 0;
  font-size: 1em;
  line-height: 1.5;
  border: none;
  outline: none;
  -webkit-appearance: none;
  box-shadow: 0 0 0 0 #fff inset;
  background: transparent;
  cursor: pointer;
  transition: 0.3s box-shadow ease;
  border-radius: 0;
}
.button:hover,
.button:active {
  box-shadow: 0 0 0 1.5em rgba(255, 255, 255, 0.5) inset;
}
.button:focus {
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.5);
  box-shadow: 0 0 0 3px var(--hola-focus-color);
}

:host([normal]) > .button {
  background: #eee;
  color: rgba(0, 0, 0, 0.8);
  color: var(--hola-text-dark-color);
}

:host([primary]) > .button {
  background: #3498db;
  background: var(--hola-primary-color);
  color: rgba(255, 255, 255, 0.97);
  color: var(--hola-text-light-color);
}

:host([ghost]) > .button {
  box-shadow: 0 0 0 .2em #3498db inset;
  box-shadow: 0 0 0 .2em var(--hola-primary-color) inset;
  font-weight: bold;
  color: #3498db;
  color: var(--hola-primary-color);
}
:host([ghost]:host-context(hola-hero[dark-bg])) > .button {
  /* 
   * For some reason this selector doesn't work on Safari. Due to the limited
   * functionality of Safari's DevTools, we will need further investigation on it.
   */
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.97);
  color: var(--hola-text-light-color);
  box-shadow: 0 0 0 .2em rgba(255, 255, 255, 0.97) inset;
  box-shadow: 0 0 0 .2em var(--hola-text-light-color) inset;
}
/* TODO: Hover/active effect for ghost buttons */