void call(String stepName) {
    stepCorner = '+'
    stepBanner = "║   $stepName   ║"
    bannerWidth = stepBanner.length() - 2
    // banner = stepCorner + ('=' * bannerWidth) + stepCorner

    top = '╔' + ('═' * bannerWidth) + '╗'
    bottom = '╚' + ('═' * bannerWidth) + '╝'
    red = '\\e[31m'
    normal = '\\e[0m'
    ansiColor('xterm') {
        echo "$red$top\n$stepBanner\n$bottom$normal"
    }
}

// ═ ║ ╒ ╓ ╔ ╕ ╖ ╗ ╘ ╙ ╚ ╛ ╜ ╝ ╞ ╟ ╠ ╡ ╢ ╣ ╤ ╥ ╦ ╧ ╨ ╩ ╪ ╫ ╬