* {
  -webkit-tap-highlight-color: rgba(0,0,0,0);
}
body, html {
  height: 100%;
  width: 100%;
  margin: 0px;
  padding: 0px;
  overflow: hidden;
}
body {
  -webkit-touch-callout: none;                /* prevent callout to copy image, etc when tap to hold */
  -webkit-text-size-adjust: none;             /* prevent webkit from resizing text to fit */
  -webkit-user-select: none;                  /* prevent copy paste, to allow, change 'none' to 'text' */
  background: #eeeeee;
  font-family: pfd, sans-serif;
  font-size: 12px;
}

.loader {
  z-index: 2;
  width: 80px;
  height: 80px;
  position: absolute;
  top: 50%;
  left: 50%;
  margin-top: -40px;
  margin-left: -40px;
  display: none;
}
.loader:before {
  content: '';
  border-radius: 50%;
  border-top: 3px solid #fff;
  border-right: 3px solid transparent;
  animation: loading .5s linear infinite;
  -webkit-animation: loading .5s linear infinite;
  width: 80px;
  height: 80px;
  display: block;
}
@keyframes loading {
  to {transform: rotate(360deg)}
} 
@-webkit-keyframes loading {
  to {-webkit-transform: rotate(360deg)}
}