body{
	background-color: rgb(160, 134, 201);
}

.test{
	position:absolute;
    left: 50%;
    width:30em;
    height:18em;
    margin-left: -15em; /*set to a negative number 1/2 of your width*/
  
 }

.username{
	display: flex;
    align-items: center;
  	justify-content: center;

}

.password{
	display: flex;
    align-items: center;
  	justify-content: center;
	margin-top: 5%;
}

.help-block{
	margin-top: 5%;
	color:red;
	display: flex;
    align-items: center;
  	justify-content: center;
}

.div-btn{
	width: 100%;
	height: 100%;
	margin-top: 5%;
	display: flex;
	align-items: center;
	justify-content: center;
}

.btn-auth{
	padding-top: 3%;
	padding-bottom: 3%;
	width: 30%;
	background-color: rgb(46, 64, 152);
	-moz-border-radius: 4px;
    -webkit-border-radius: 4px;
    border-radius: 10px;
	border: hidden;
	color: white;
}

.btn-forgot{
    appearance: button;
	padding-top: 3%;
	padding-bottom: 3%;
	width: 50%;
	background-color: rgb(68, 90, 198);
	-moz-border-radius: 4px;
    -webkit-border-radius: 4px;
    border-radius: 10px;
	border: hidden;
	color: white;
	text-align: center;
	text-decoration: none;
}

.div-back{
	text-align: center;
	width: 100%;
	height: 100%;
	margin-top: 5%;
	display: flex;
	align-items: center;
	justify-content: center;
}

.back{
	font:400 13.3333px Arial;
	padding-top: 3%;
	padding-bottom: 3%;
	width: 25%;
	background-color: rgb(136, 104, 188);
	-moz-border-radius: 4px;
    -webkit-border-radius: 4px;
    border-radius: 10px;
	border: hidden;
	color: white;
}