<?php
$bg_file['repeat'] = [
    'repeat' => TF_BG_REPEAT_NORMAL,
    'repeat-x' => TF_BG_REPEAT_X, 'repeat-y' => TF_BG_REPEAT_Y,
    'no-repeat' => TF_BG_NO_REPEAT,
];
$bg_file['position'] = [
    'left top' => TF_BG_POSITION_LT,
    'left center' => TF_BG_POSITION_LC,
    'left bottom' => TF_BG_POSITION_LB,
    'right top' => TF_BG_POSITION_RT,
    'right center' => TF_BG_POSITION_RC,
    'right bottom' => TF_BG_POSITION_RB,
    'center top' => TF_BG_POSITION_CT,
    'center center' => TF_BG_POSITION_CC,
    'center bottom' => TF_BG_POSITION_CB,
];
$bg_file['size'] = [
    'auto' => TF_BG_SIZE_NONE,
    'cover' => TF_BG_SIZE_COVER,
    'contain' => TF_BG_SIZE_CONTAIN,
    '100%' => TF_BG_SIZE_FULL,
];
