body {
    background-color: darkblue;
    background-image: url("../images/ai_bg.jpg");
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-position: center top;
    background-size: cover;
    text-align:center;
    //filter: blur(5px);
    font-family: 'Roboto', sans-serif, Calibri;
    margin: 0;
    padding: 0;
}
#title {
    font-size:400%;
    font-weight:700;
    color: #119;
    font-stretch: expanded;
    text-shadow: 8px 8px 8px #bbb;
}

#left, #right{
    display: inline-block;
    width: 45%;
    min-width: 250px;
    padding-bottom: 1em;
}

form {
    position: absolute;
    top:50%;
    left:50%;
    transform: translate(-50%, -50%);
    width: 50%;
    max-width: 800px;
    margin: auto;
    vertical-align:middle;
    }
form fieldset{
    padding: 1em;
    background-color: rgba(255, 255, 255, 0.8);
    border: 2px solid #ddd;
    border-radius: 10px;
    margin: 0;
}
form label {
    width: 80%;
    /*margin-right: 1em;
    margin-top: 10px;
    float: left;
    clear: left;
    text-align: right; */
    margin: auto;
    /*display: block;*/
    }

form input, form select, form textarea {
    /*width: 15em;*/
    margin: 10px;
    border: 1px solid #ddd;
    border-radius: 8px;
    height: 2.2em;
    padding: 6px;
    vertical-align: middle;
    /*clear: both;*/
}

form textarea {
    /*width: 20em;*/
    height: auto;
}
form input:focus, form select:focus, form textarea:focus {
    outline: none;
    border-color: #aaf;
    box-shadow: 0 0 12px #aaf;
}
/*:required {
    border: 1px solid red;
} */

#submit {
   /* margin-left: 20em; */
    margin: auto;
    margin-top: 1em;
    padding: 1em;
    height: 3em;
    min-width: 5em;
    color: #fff;
    background-color: green;
    vertical-align: middle;
    clear: both;
    font-size: large;
    }

.input_group{
    width: 100%;
    display: flex;
    flex-direction: row;
}

.input-subgroup{
    width: 70%;
    display: flex;
}

.input_group .input-subgroup input, .input_group label{
    word-break: keep-all;
    width: 100%;

}
.input_group label{
    width: 30%;
    text-align: right;
}

.input-subgroup{
    position: relative;
}

#user_check, #email_check{
    position: absolute;
    width: 100%;
    left: 0;
    bottom: 0.7rem;
    font-size: 70%;
    /*display: block;*/

}

#logo{
    position: absolute;
    top: 1rem;
    left: 1rem;
    width: 100px;
    height: auto;
}
#logo img{
    width: 100%;
    height: auto;
}


@media (max-width: 700px) {
/* @media only screen and (max width:750px){ */
    form {
        width: 100%;
        max-width: 100%;
        margin: 0;
        padding: 0;
        text-align:center;
        top:15%;
        transform: translate(-50%, 0);
        font-size: 110%;
    }
    form input, form select, form textarea  {
        width: 90%;
        margin: auto;
        margin-bottom: 1em;
    }
    form label {
        text-align: center;
        width: 100%;
        margin: auto;
        float: none;
    }
    #loginForm{
        top:5%;
        margin: 0;
    }
    #submit {
        margin: auto;
        /*margin-top: 2em;*/
        width: 80%;
        height: 3em;
        vertical-align: middle;
        border: 1px solid black;
    }
    #title {
        font-size:200%;
        font-weight:600;
    }

    .input_group{
        flex-direction: column;
    }

    .input-subgroup{
        width: 100%;
    }

    .input_group input, .input_group label{
        width: 90%;
        text-align: center;
    }

}

@media (orientation: portrait) {
    body {
    background-image: url("../images/ai_bg2.jpg");
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-position: center top;
    }
}
.errorClass {
    background-color: #CC6666;
    }
#errorDiv {
    color: red;
    }
.errorFeedback {
    display: none;
    }