@media (max-width: 558.98px) {
    body {
        font-family: 'Poppins', sans-serif;
        background: #fafafa;
        background-image: url(../../images/road.jpg);
        background-position: center center;
        background-repeat: no-repeat;
        background-attachment: fixed;
        background-size: cover;
        background-color: #fff;
        width: 375px;
    }    
    #Login1_LoginButton {
        color: #fff;
        background-color: #003680;
        padding: 0px 0px 0px 0px;
        margin: 0px 0px 0px 0px;
    }
    #content_container {
        width: 100%;
        height: 100%;
        position: absolute;
        display: 690px;
        justify-content: center;
        align-items: center;
        margin: 0 auto;
    }
    .container-fluid {
        width: 375px;
        height: 613px;
        position: relative;
        background-color: rgba(255,255,255,0.5);
    }
    #tbl_main {
        font-family: Arial;
        font-size: 11px;
        border: 1px solid gray;
        width: 375px;
        height: 270px;
        /* The magic centering code */
        margin: auto;
        position: absolute;
        top: 2px;
        bottom: 0; /* Aligns Vertically - Remove for Horizontal Only */
        left: 4px;
        right: 0; /* Aligns Horizontally - Remove for Vertical Only  */
        /* Prevent div from overflowing main window */
        max-width: 100%;
        max-height: 100%;
        overflow: auto;
    }

    /* IE 7 and Below */
    :first-child + html .absoluteCenter,
    * html .absoluteCenter {
        /* Place code here to override all above values, and add IE friendly centering */
    }
    #lbl_Ueberschrift {
        background-color: #003680;
        font-size: 2.55em;
        color: #fff;
    }
    #lbl_login {
        background-color: #003680;
        font-size: 2.55em;
        color: #fff;
    }
    .txt_design {
        color: #003680;
        font-size: 1.65em;
    }
    .txt_design2 {
        color: #003680;
        font-size: 1.695em;
        margin-right: 1px;
    }
    #LoginButton {
        background-color: #003680;
        color: #fff;
        width: 140px;
        height: 25px;
    }
    #Password {
        margin-right: -20px;
        border-radius: 5px 5px;       
    }
    #UserName {
        font-size: 17px;
        border-radius: 5px 5px 5px 5px;
    }
    #CustomerID {
        color: #003680;
        font-size: 1.125em;
        border-radius: 5px 5px 5px 5px;
    }
    #CustomerID:invalid {
        background-color: indianred;
        border-color: red;
        color: red;
    }
    #CustomerID:valid {
        background-color: white;
        border-color: forestgreen;
        color: black;
    }
    #CustomerID:invalid + span::before {
        content: '✖';
        color: red;
    }
    #Password:invalid {
        background-color: indianred;
        border-color: red;
        color: red;
    }
    #Password:valid {
        background-color: white;
        border-color: forestgreen;
        color: black;
    }
    #Password:invalid + span::before {
        content: '✖';
        color: red;
    }
    #UserName:invalid {
        background-color: indianred;
        border-color: red;
        color: red;
    }
    #UserName:valid {
        background-color: white;
        border-color: forestgreen;
        color: black;
    }
    #Password:invalid + span::before {
        content: '✖';
        color: red;
    }
}
@media (min-width: 558.98px) {
    body {
        font-family: 'Poppins', sans-serif;
        background: #fafafa;
        background-image: url(../../images/road.jpg);
        background-position: center center;
        background-repeat: no-repeat;
        background-attachment: fixed;
        background-size: cover;
        background-color: #fff;
        width: 475px;
    }

    #Login1_LoginButton {
        color: #fff;
        background-color: #003680;
        padding: 0px 0px 0px 0px;
        margin: 0px 0px 0px 0px;
    }

    #content_container {
        width: 100%;
        height: 100%;
        position: absolute;
        display: 690px;
        justify-content: center;
        align-items: center;
        margin: 0 auto;
    }

    .container-fluid {
        width: 475px;
        height: 613px;
        position: relative;
        background-color: rgba(255,255,255,0.5);
    }

    #tbl_main {
        font-family: Arial;
        font-size: 11px;
        border: 1px solid gray;
        width: 475px;
        height: 470px;
        /* The magic centering code */
        margin: auto;
        position: absolute;
        top: 2px;
        bottom: 0; /* Aligns Vertically - Remove for Horizontal Only */
        left: 4px;
        right: 0; /* Aligns Horizontally - Remove for Vertical Only  */
        /* Prevent div from overflowing main window */
        max-width: 100%;
        max-height: 100%;
        overflow: auto;
    }

    /* IE 7 and Below */
    :first-child + html .absoluteCenter,
    * html .absoluteCenter {
        /* Place code here to override all above values, and add IE friendly centering */
    }

    #lbl_Ueberschrift {
        background-color: #003680;
        font-size: 2.55em;
        color: #fff;
    }

    #lbl_login {
        background-color: #003680;
        font-size: 2.55em;
        color: #fff;
    }

    .txt_design {
        color: #003680;
        font-size: 1.65em;
    }

    .txt_design2 {
        color: #003680;
        font-size: 1.695em;
        margin-right: 1px;
    }

    #LoginButton {
        background-color: #003680;
        color: #fff;
        width: 140px;
        height: 25px;
    }

    #Password {
        margin-right: -20px;
        border-radius: 5px 5px;
    }

    #UserName {
        font-size: 17px;
        border-radius: 5px 5px 5px 5px;
    }

    #CustomerID {
        color: #003680;
        font-size: 1.125em;
        border-radius: 5px 5px 5px 5px;
    }

        #CustomerID:invalid {
            background-color: indianred;
            border-color: red;
            color: red;
        }

        #CustomerID:valid {
            background-color: white;
            border-color: forestgreen;
            color: black;
        }

        #CustomerID:invalid + span::before {
            content: '✖';
            color: red;
        }

    #Password:invalid {
        background-color: indianred;
        border-color: red;
        color: red;
    }

    #Password:valid {
        background-color: white;
        border-color: forestgreen;
        color: black;
    }

    #Password:invalid + span::before {
        content: '✖';
        color: red;
    }

    #UserName:invalid {
        background-color: indianred;
        border-color: red;
        color: red;
    }

    #UserName:valid {
        background-color: white;
        border-color: forestgreen;
        color: black;
    }

    #Password:invalid + span::before {
        content: '✖';
        color: red;
    }
}