/* Header and Footer */

.mainHeaderSticky {
    position: sticky;
    left: 0px;
    top: 20px;
    height: 80px;
    width: 100%;
    background-color: none;
    color: black;
    text-align: center;
}

.mainHeader {
    position: fixed;
    left: 0;
    top: 0;
    height: 80px;
    width: 100%;
    background-color: whitesmoke;
    background-image: linear-gradient(180deg, lightCyan, lightBlue);
    color: black;
    text-align: center;
}

.mainFooter {
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
    background-color: whitesmoke;
    background-image: linear-gradient(180deg, lightCyan, lightBlue);
    color: black;
    text-align: center;
    padding-top: 10px;
    padding-bottom: 10px;
}


/* Position */

.logoIcon {
    margin: 0;
    position: fixed;
    top: 10px;
    left: 30px;
    padding-top: 0px;
    width: 50px;
    height: 50px;
}

.centerMain {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}


/* Header */

.studentNameHeaderText {
    margin: 0;
    position: fixed;
    top: 12.5px;
    left: 100px;
    text-align: left;
    font-size: small;
}

.studentNameHeader {
    margin: 0;
    position: fixed;
    top: 12.5px;
    left: 172.5px;
    text-align: left;
    font-size: small;
}

.studentClassHeaderText {
    margin: 0;
    position: fixed;
    top: 32.5px;
    left: 100px;
    text-align: left;
    font-size: small;
}

.studentClassHeader {
    margin: 0;
    position: fixed;
    top: 32.5px;
    left: 172.5px;
    text-align: left;
    font-size: small;
}

.studentIDHeaderText {
    margin: 0;
    position: fixed;
    top: 52.5px;
    left: 100px;
    text-align: left;
    font-size: small;
}

.studentIDHeader {
    margin: 0;
    position: fixed;
    top: 52.5px;
    left: 172.5px;
    text-align: left;
    font-size: small;
}

.lessonHeader {
    margin: 0;
    position: fixed;
    top: 5px;
    right: 25px;
    text-align: right;
    font-size: larger;
    color: darkorange;
}

.packageHeaderText {
    margin: 0;
    position: fixed;
    top: 32.5px;
    left: 250px;
    text-align: left;
    font-size: small;
}

.packageHeader {
    margin: 0;
    position: fixed;
    top: 32.5px;
    left: 300px;
    text-align: left;
    font-size: small;
}

.numberHeaderText {
    margin: 0;
    position: fixed;
    top: 52.5px;
    left: 250px;
    text-align: left;
    font-size: small;
}

.numberHeader {
    margin: 0;
    position: fixed;
    top: 52.5px;
    left: 300px;
    text-align: left;
    font-size: small;
}

.timerHeader {
    margin: 0;
    position: fixed;
    top: 37px;
    right: 25px;
    text-align: left;
    font-size: small;
    color: darkblue;
}


/* Content */

.pageTitle {
    margin: auto;
    width: 60%;
    text-align: center;
    font-size: 20px;
    padding: 20px;
}


/* Page: Title */

.theTitle {
    margin: auto;
    width: 60%;
    text-align: center;
    font-size: 30px;
    padding: 100px;
}


/* Page: Login */

.loginLessonCol25 {
    float: left;
    width: 20%;
    margin-top: 15px;
    padding-left: 10px;
}

.loginLessonCol75 {
    float: left;
    width: 60%;
    margin-top: 6px;
    padding-left: 10px;
}

.loginLessonColOptions {
    width: 62.5%;
}

.loginContainer,
.lessonContainer {
    background-color: gainsboro;
    background-image: linear-gradient(180deg, powderBlue, skyBlue);
    margin: auto;
    width: 80%;
    height: 170px;
    padding: 20px;
}

input[type="text"],
select,
textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    resize: vertical;
    color: black;
    background-color: #f1f1f1;
}

.rowLoginLesson:after {
    content: "";
    display: table;
    clear: both;
}


/* The Warning */

.theWarning {
    position: fixed;
    z-index: 1;
    padding-top: 150px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: scroll;
    background-color: rgb(0, 0, 0);
    background-color: rgba(0, 0, 0, 0.4);
}

.theWarningContent {
    position: fixed;
    bottom: 50px;
    left: 10vw;
    width: 80vw;
    height: 300px;
    z-index: 1;
    background-color: gainsboro;
    background-image: linear-gradient(180deg, dodgerBlue, darkTurquoise);
    color: white;
    border: 3px solid lightblue;
    text-align: center;
    padding-top: 100px;
    font-size: larger;
    font-weight: bold;
}


/*ISBN Modal*/

.ISBNModal {
    display: none;
    position: fixed;
    z-index: 1;
    padding-top: 100px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: scroll;
    background-color: rgb(0, 0, 0);
    background-color: rgba(0, 0, 0, 0.4);
}

.ISBNModal-content {
    margin: auto;
    display: block;
    height: auto;
    width: 100%;
    max-width: 580px;
}

.closeISBNModal {
    position: absolute;
    top: 15px;
    right: 35px;
    color: #f1f1f1;
    font-size: 38px;
    font-weight: bold;
    transition: 0.3s;
}

.closeISBNModal:hover,
.closeISBNModal:focus {
    color: #000;
    text-decoration: none;
    cursor: pointer;
}