open-vault/website/source/assets/stylesheets/_buttons.scss

.v-btn {
  box-shadow: 2px 3px 2px rgba(0,0,0,0.08);
  display: inline-block;
  background-color: $white;
  color: $black;
  border: 1px solid $black;
  text-decoration: none;
  @include transition(color .3s ease-in-out);

  &.lrg {
    font-size: 18px;
    padding: 10px 50px;
  }

  &.sml {
    font-size: 15px;
    line-height: 1;
    padding: 8px 30px;
  }

  &.blue {
    color: $blue;
    border: 1px solid $blue;
  }

  &.gray {
    font-weight: 300;
    color: $gray;
    border: 1px solid $light-gray;
  }

  &.terminal {
    padding-left: 52px;
    padding-right: 30px;
    margin-left: 12px;
      background: image-url('icon-terminal.png') 16px center no-repeat;
       @include img-retina("icon-terminal.png", "icon-terminal@2x.png", 26px, 25px);
  }

  &.started {
    margin-bottom: 12px;
  }

  &:hover, &:active, &:focus {
    text-decoration: none;
    @include transition(color .3s ease-in-out);

    &.blue {
      color: darken($blue, 8%);
    }

    &.black {
      color: lighten($black, 50%);
    }

    &.gray {
      color: $black;
    }
  }
}