更改节点的大小（tkz-tab）

Question

函数图像的节点大小没有修改（表格的第二行）

如何修改线条的粗细？

\documentclass[border=1pt,tikz]{standalone}
\usepackage{etex}
\usepackage{fontenc,unicode-math}
\setmainfont[Ligatures=TeX]{TeX Gyre Pagella}
\setmathfont[Ligatures=TeX]{TeX Gyre Pagella Math}
\usepackage{xcolor}
\usepackage{tkz-tab}
\usepackage{babel}


\tikzset{arrow style/.append style = {shorten > = 1pt,
                               shorten < = 1pt,
                               > = stealth}}

\tikzset{from style/.append style ={-,dashed}}

\tikzset{t style/.append style ={dashed}}

\definecolor{fondpaille}{cmyk}{0,0,0.2,0} 

\begin{document}
\begin{tikzpicture}[thick,scale=0.7, every node/.style={scale=0.7}]
  \tkzTabInit[lgt=1.5,espcl=1.5,deltacl=0.7,color, colorC = fondpaille,colorV=fondpaille]{$x$ / 1 , $B(x)$ / 3}{$0$, $8$,$18$}%
  \tkzTabVar{-/ $-117$, + / $75$, - / $-225$}%
\end{tikzpicture}

\end{document}