something may dynamical make a css and conflict with style position:'fixed'

[legendweny]

Problem Description

I found this something may dynamically make a css file called app.css in index.html file
dynamical css file
app.css file

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  font-family: "Helvetica Neue", Helvetica, STHeiTi, sans-serif;
  -webkit-transform: translate3d(0, 0, 0);
          transform: translate3d(0, 0, 0);
  font-style: 16px;
  background-color: #EBECED;
}
........

then AppBar scrolls off the page!!!!!!!!
Beacuse of Chrome cannot render position:fixed on elements under a transformation.
But I just need a fixed AppBar
So I using javascript dynamically remove this codes in the app.css file

  -webkit-transform: translate3d(0, 0, 0);
          transform: translate3d(0, 0, 0);

Versions

• Material-UI: 0.14.4
• React: 0.14.7

[legendweny]

I found that my own legacy dcss resulting file....