Fix English translations

[bookstack] / resources / sass / _buttons.scss

button {
  background-color: transparent;
  border: 0;
  font-size: 100%;
}

.button  {
  text-decoration: none;
  font-size: 0.85rem;
  line-height: 1.4em;
  padding: $-xs*1.3 $-m;
  margin-top: $-xs;
  margin-bottom: $-xs;
  display: inline-block;
  font-weight: 400;
  outline: 0;
  border-radius: 2px;
  cursor: pointer;
  transition: background-color ease-in-out 120ms,
    filter ease-in-out 120ms,
    box-shadow ease-in-out 120ms;
  box-shadow: none;
  background-color: var(--color-primary);
  color: #FFF;
  text-transform: uppercase;
  border: 1px solid var(--color-primary);