body {
  height: auto; /*altura automática*/
  width: 100% ;
	padding-top:90px; /*padding arriba*/
	padding-bottom:90px; /*padding abajo*/
	margin-bottom:0; /*no tendrá margen respecto al contenedor inferior*/
	position: relative; /*ya sabes*/
	z-index: 2;
  background-color: #ffffff;
  /* background: url('../images/fondo.jpg') no-repeat fixed center; */
   -webkit-background-size: cover;
   -moz-background-size: cover;
   -o-background-size: cover;
   background-size: cover;
   
   
   text-align: center;
	  
}

.form-signin {
  max-width: 330px;
  padding: 15px;
  margin: 0 auto;
}
.form-signin .form-signin-heading,
.form-signin .checkbox {
  margin-bottom: 10px;
}
.form-signin .checkbox {
  font-weight: normal;
}
.form-signin .form-control {
  position: relative;
  height: auto;
  -webkit-box-sizing: border-box;
     -moz-box-sizing: border-box;
          box-sizing: border-box;
  padding: 10px;
  font-size: 16px;
}
.form-signin .form-control:focus {
  z-index: 2;
}
.form-signin input[type="email"] {
  /*margin-bottom: -1px;*/
  border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;
}
.form-signin input[type="password"] {
  /*margin-bottom: 10px;*/
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}