.black-bg{
background: #000 url('../img/backMain.jpg');
background-repeat: no-repeat;
background-size: 100% auto;
background-position: bottom;
}

#loginLogo{padding-top: 40px;padding-bottom: 40px;}
#loginLogo img{width: 80%;margin: 0 auto;} 
.middle-box {max-width: 400px;z-index: 100;margin: 0 auto;padding-top: 30px;}
.loginscreen.middle-box{width: 350px;}

.back-white{background-color: #fefefe;padding: 1%;border-radius: 5px;text-align: left;margin-top: 5px;}