.formGrounp{
	font-family: 'Microsoft Yahei';
	background: url(../img/bg.jpg) no-repeat;
	height: 1080px;
  min-width: 1080px;
}
label {
	display: none;
}
#username,#password {
  background: none;
  border: none;
  color: #fff;
  font-size: 30px;
  height: 35px;
  left: 560px;
  position: absolute;
  border: 0;
  outline: none;
}
#username {
	top: 550px;
}
#password {
	top: 645px;
}
.errowName {
  position: absolute;
  left: 560px;
  top: 605px;
}
.errowPass {
  position: absolute;
  left: 560px;
  top: 700px;
} 
.onError {
  color: red;
}
#login_btn {
  background: none;
  border: none;
  cursor: pointer;
  height: 67px;
  left: 600px;
  position: absolute;
  text-indent: -9999px;
  top: 775px;
  width: 200px;
}
span {
	position: absolute;
	left: 560px;
	color: red;
	display: none;
}
#username-tip {
	top: 605px;
}
#password-tip {
	top: 705px;
}