body, html {
    height: 100vh;
}

.background {
    background-image: url("background.png");
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
  }


input[type=text], input[type=password] {
    width: 100%;
    padding: 12px 20px;
    margin: 8px 0;
    display: inline-block;
    border: 1px solid #ccc;
    box-sizing: border-box;
    color: white;
    background-color: #88888866;
    font-size: large;
}

::placeholder {
    color: lightgray;
}

button {
    background-color: #4CAF50;
    color: white;
    padding: 14px 20px;
    margin: 8px 0;
    border: none;
    cursor: pointer;
    width: 100%;
}

button:hover {
    opacity: 0.8;
}

img.avatar {
    width: 40%;
    border-radius: 50%;
}

.container {
    padding: 16px;
}

span.psw {
    float: right;
    padding-top: 16px;
}


@media all and (orientation:landscape) {  
    .main_grid {
        display: grid;
        height: 100vh;
        grid-template-columns: 5px 1fr 5px 3fr 5px 1fr 5px;
        grid-template-rows: 1fr 1fr 1fr 5px;
    }

    .image_grid {
        display: grid;
        grid-template-columns: 1fr;
        grid-template-rows: 210fr 460fr 80fr 215fr 100fr;
        grid-column: 4 / span 1;
        grid-row: 1 / span 3;    
    }

    .online_logo {
        grid-column: 1 / span 1;
        grid-row: 2 / span 1;
        background-image: url("online_logo.png");
        background-position: center;
        background-repeat: no-repeat;
        background-size: contain;
    }

    .vicky_logo {
        grid-column: 1 / span 1;
        grid-row: 4 / span 1;
        background-image: url("vicky_logo.png");
        background-position: center;
        background-repeat: no-repeat;
        background-size: contain;
    }

    .login_dialog {
        display: block;
        grid-column: 2 / span 1;
        grid-row: 3 / span 1;
    }

    .login_labels {
        color: white;
        font-size: large;
    }

    .login_button {
        color: white;
        background-color: #88888866;
        font-size: large;
    }
}
@media all and (orientation:portrait) {  
    .main_grid {
        display: grid;
        height: 100vh;
        grid-template-columns: 5px 1fr 5px;
        grid-template-rows: 1fr 1fr 1fr 5px;
    }

    .image_grid {
        display: grid;
        grid-template-columns: 1fr;
        grid-template-rows: 210fr 460fr 80fr 215fr 100fr;
        grid-column: 2 / span 1;
        grid-row: 1 / span 2;    
    }

    .online_logo {
        grid-column: 1 / span 1;
        grid-row: 2 / span 1;
        background-image: url("online_logo.png");
        background-position: center;
        background-repeat: no-repeat;
        background-size: contain;
    }

    .vicky_logo {
        grid-column: 1 / span 1;
        grid-row: 4 / span 1;
        background-image: url("vicky_logo.png");
        background-position: center;
        background-repeat: no-repeat;
        background-size: contain;
    }

    .login_dialog {
        display: block;
        grid-column: 2 / span 1;
        grid-row: 3 / span 1;
    }

    .login_labels {
        color: white;
        font-size: large;
    }

    .login_button {
        color: white;
        background-color: #88888866;
        font-size: large;
    }    
}
.error_style {
    color: red;
    text-align: center;
}