.mb-keyboard-theme-phone {
  padding: 8px;

  & .mb-button,
  & .mb-function-btn {
    max-width: none !important;
    flex: 1;
  }

  & .mb-cell {
    vertical-align: top;
    height: 36px;
  }

  &.mb-layout-fixed .mb-row:not(:last-child) .mb-cell {
    padding-bottom: 8px;
  }

  &.mb-layout-fixed .mb-row .mb-cell:not(:last-child) {
    padding-right: 8px;
  }

  & .mb-button {
    border-radius: 4px;
    font-size: 17px;
    height: 100%;
    position: relative;

    span {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
    }

    &[data-mb-key='{backspace}'] {
      border: none;
    }

    &[data-mb-key='{backspace}']:not(.mb-active) {
      background-color: transparent;
    }
  }
}