body {
    background:url("../imagens/login/loginBackground.jpg") no-repeat center center fixed; 
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover; 
}
a {
    color: black;
}
.loginArea {
    position: absolute;
    top: 25%;
    left: 10%;  
    width: 400px;
    background-color: rgba(255, 255, 255, 0.8);
}