.contenedor{
    width:100%;
    height:100%;
    max-width:1000px;
    margin:0 auto;
    overflow:hidden;
}

.login-box{

	width: 100px;
	height: 100px;
	border-radius: 50%;
	position: absolute;
    top: 50px;
    left: 20px;
	left: calc(36% - 45px);
}
.lef{
    width: 100px;
	height: 100px;
	border-radius: 50%;
	position: absolute;
    top: 50px;
    left: 10px;
	left: calc(45% - 45px);
}
.righ{
  
    background-position: right;
    position: absolute;
}