button {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 1em;
  border-radius: .3em;
  background-color: brown;
  padding: .5em 2em;
  margin: .1em .2em;
  color: white;
  border: none;
  cursor: pointer;
  &:hover, &:focus {
    background-color: darkred;
    box-shadow: 0 0 5px 0 #656565;
    transition: .3s;
  }
  &.button-danger {
    background-color: darkred;
    &:hover, &:focus {
      background-color: #d98a88;
    }
  }
}