loadingIndicator style on IE11
[issue link]Version
Reproduction link
https://codepen.io/rktyt/pen/jzJyem
Steps to reproduce
Please look on IE11.
What is expected ?
The loading indicator shuld be center.
What is actually happening?
The loading indicator was not center.
Additional comments?
https://github.com/nuxt/nuxt.js/tree/v1.4.0/lib/app/views/loading
Solved style:
body, html, #__nuxt {
  background-color: <%= options.background %>;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0;
}
or
body, html, #__nuxt {
  background-color: <%= options.background %>;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
  margin: 0;
  padding: 0;
}