.loginscreen {
    background: url("../images/loginbackground.jpg") no-repeat center center;
    background-size: cover;
}
.loginscreen:before {
    position: absolute;
    top:0;
    lefT:0;
    right:0;
    bottom:0;
    content:'';
    background: #000;
    opacity: 0.7;
    z-index: 0;
}

.ui.positive.button,
.ui.positive.buttons .button {
    background-color: #009fe3;
    color: #FFF;
    text-shadow: none;
}

.ui.positive.button:hover,
.ui.positive.buttons .button:hover {
    background-color: #008cc9;
}

.ui.navigation>.main, 
.ui.navigation>.sub {
    background: #04131f ;
}
.ui.navigation .ui.menu.attached .header {
    display: flex;
    align-items: center;
}
.ui.navigation .ui.menu.attached .header img {
    width: 80px;
    margin-right: 10px;
}
.ui.toggle:not(.label):not(.checkbox).on {
    background-color: #009fe3;
}