body, md-content.md-blue-grey-theme {
    background-color: #eee;
}

md-toolbar:not(.md-hue-1),
.md-fab {
    fill: #fff;
}

md-sidenav {
    fill: #737373;
}

md-toolbar.md-tall {
    height: 64px;
    max-height: 64px;
    min-height: 64px;
}

.text-center {
    text-align: center!important
}

.authentication {
    width: 500px;
    margin-left:50%;
    transform: translateX(-50%); 
}