body {
	background: url("../imag/fondo2.jpg") ;	
	background-repeat: no-repeat;
	background-position: center center;
	background-attachment:fixed;
	-webkit-background-size: cover;
	-webkit-background-size: cover;
	-o-background-size:cover;
	background-size:cover;   
}

.wrapper {	
	margin-top: 80px;
  margin-bottom: 80px;
}

.form-signin {
  max-width: 380px;
  padding: 15px 35px 45px;
  margin: 0 auto;
  color: #ffffff;
  border-radius: 5px;  
  border-color: -moz-use-text-color #FFFFFF #FFFFFF -moz-use-text-color;
  border-style: none solid solid none;
  border-width: medium 1px 1px medium;
  background: none repeat scroll 0 0 rgba(0, 0, 0, 0.3);
  -moz-border-bottom-colors: none;
  -moz-border-image: none;
  -moz-border-left-colors: none;
  -moz-border-right-colors: none;
  -moz-border-top-colors: none;
  -webkit-box-shadow:0 0 10px rgba(0, 0, 0, 0.5);
  -moz-box-shadow:0 0 10px rgba(0, 0, 0, 0.5);
  box-shadow:0 0 10px rgba(0, 0, 0, 0.5);
}

@media (max-width: 768px){
  	.form-signin {
  	background-color: rgba(255,0,0,0.1);
  	}
  }
  
  @media (max-width: 603px){
  	.form-signin {
  	background-color: rgba(0,255,0,0.1);
  	}
  }
  
  @media (max-width: 360px){
  	.form-signin {
  	background-color: rgba(0,255,0,0.1);
  	}