.meu-login{
    background: url('http://conceptsconsultoria.com.br/concepts/app/templates/theme4/images/logoconcept.png') no-repeat center center fixed !important; 
    -webkit-background-size: cover  !important;
    -moz-background-size: cover  !important;
    -o-background-size: cover  !important;
    background-size: cover  !important;
}
.meu-login > body{
    background-color: transparent !important;
}
.meu-login, .meu-login > body{
    min-height: 100% !important;
    height: auto !important;
}