hugo-theme-hello-friend/source/css/buttons.css

.button-container {
  display: table;
  margin-left: auto;
  margin-right: auto;
}

button,
.button,
a.button {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px 18px;
  margin-bottom: 5px;
  background: var(--light-background-secondary);
  text-decoration: none;
  text-align: center;
  font-weight: 500;
  border-radius: 8px;
  border: 1px solid transparent;
  appearance: none;
  cursor: pointer;
  outline: none;

  .dark-theme & {
    background: var(--dark-background-secondary);
    color: inherit;
  }

  /* variants */

  &.outline {
    background: transparent;
    border-color: var(--light-background-secondary);
    box-shadow: none;
    padding: 8px 18px;

    .dark-theme & {
      border-color: var(--dark-background-secondary);
      color: inherit;
    }

    :hover {
      transform: none;
      box-shadow: none;
    }
  }

  &.primary {
    box-shadow: 0 4px 6px rgba(50, 50, 93, .11), 0 1px 3px rgba(0, 0, 0, .08);

    &:hover {
      box-shadow: 0 2px 6px rgba(50, 50, 93, .21), 0 1px 3px rgba(0, 0, 0, .08);
    }
  }

  &.link {
    background: none;
    font-size: 1rem;
  }


  /* sizes */

  &.small {
    font-size: .8rem;
  }

  &.wide {
    min-width: 200px;
    padding: 14px 24px;
  }
}

a.read-more,
a.read-more:hover,
a.read-more:active {
  display: inline-flex;
  background: none;
  box-shadow: none;
  padding: 0;
  margin: 20px 0;
  font-weight: bold;

  .dark-theme & {
    background: none;
  }
}

.code-toolbar {
  margin-bottom: 20px;

  .toolbar-item a {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 3px 8px;
    margin-bottom: 5px;
    background: var(--light-background-secondary);
    text-decoration: none;
    text-align: center;
    font-size: 13px;
    font-weight: 500;
    border-radius: 8px;
    border: 1px solid transparent;
    appearance: none;
    cursor: pointer;
    outline: none;

    .dark-theme & {
      background: var(--dark-background-secondary);
      color: inherit;
    }
  }
}