Simplex Core 	clip: rect(0 0 0 0); => clip: rect(0, 0, 0, 0);
Simplex Core     _font-family:   => font-family
Navigation Simple - Vertical     -padding: 2px 0 2px 0;   => padding: 2px 0 2px
0;
Navigation CSSMenu - Horizontal      opacity: 95;  => opacity: 0.95;

 Navigation CSSMenu - Vertical
 #primary-nav li.menuparenth {
  _float: left;   =>  /*_float: left; delete or  ?? */
  _height: 1%;  =>   height: 1%;
 _height: 1%;   =>  height: 1%;
 
 font like Times New Roman  =>  'Times New Roman'  or "Times New Roman"