safari webbrowser

Question

我的IE浏览器的字体样式
other browsers
  for safari会改变
safari

我的css

body {

    height: 100%;

    font-size: .80em;

    font-family : "PT Sans","Century Gothic",Verdana, Helvetica, sans-serif;
    margin: 0px;
    padding: 0px;
    color: Black;

}