html, body {
    background: white;
    width: 100%;
    height: 100%;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}
#main {
    display: inline-block;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
}
.wrraper {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0%;
    left:0%;
    direction: rtl;
}
#center {
    position: absolute;
    /*height: 1300px;*/
    width: 1032px;
    left: 50%;
    transform: translate(-50%,0%);
    margin: auto;
    background: #ffffff;
    box-shadow: 5px 0 5px #888888, -5px 0 5px #888888;
    text-align: center;
}
#banner {
    background-image: Url('assets/banner.png');
    height: 200px;
    display: block;
}
.Menu {
    position: relative;
    height: 30px;
    background: #006699;
    padding: 3px 0;
    text-align: center;
    font-size: 10pt;
    font-family: Arial;
}
.Menu a {
    font-weight: bold;
    color: #fff;
    text-decoration: none;
    padding: 5px 7px;
    display: inline-block;
    vertical-align: middle;
    margin: auto 10px;
    cursor: pointer;
}
.Menu a:hover {
    background: #fff;
    color: #006699;
}
#content {
    /*margin-bottom: 200px;*/
}
#footer {
    padding-top: 10%;
    margin-top: 80px;
    margin-bottom: 20px;
    width: 90%;
}
#logo {
    position: absolute;
    bottom: 10px;
    right: 5%;
}
#detailsDiv {
    position: absolute;
    bottom: 10px;
    left: 5%;
    text-align: center;
    background-color: #166699;
    padding: 1% 5%;
    margin-left: 3%;
}
#detailsDiv span {
    color: white;
    font-size: large;
    font-weight: bold;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}
.title {
    display: block;
    width: 80%;
    margin-right: 10%;
    margin-top: 3%;
    margin-bottom: 5%;
}
.title-img {
    display: block;
    width: 13%;
    margin-right: 8%;
    margin-top: 3%;
}
.title-img.levelA{
    margin-top: 1%;
}
.toMainPage {
    display: inline-block;
    width: 20%;
    margin-right: 78%;
}
.flash {
    display: block;
    margin-bottom: 1%;
    color: #23408f;
    font-family: sans-serif;
    font-size: 14px;
}
.text {
    display: block;
    margin-right: 5%;
    margin-top: 0.5%;
    color: #23408f;
    font-family: sans-serif;
    font-size: 16px;
}
.text-big {
    font-size: 20px;
    font-weight: bold;
}
.lesson-title {
    display: block;
    padding-top: .5%;
    padding-bottom: .5%;
    margin-top: 30px%;
    margin-bottom: 60px;
    color: #00aeef;
    font-family: "David";
    font-weight: bold;
    font-size: 56px;
    text-shadow: -1px -1px 0 #000, 1px -1px 0 #000, -1px 1px 0 #000, 1px 1px 0 #000;
    text-align: center;
}
.lesson-title span{
    padding-right: 2%;
    padding-left: 2%;
    background-color: #fefabf;
}
.quiz {
    display: none;
    margin-top: 3%;
    padding-right: 10%;
}
.question {
    display: block;
    margin-right: 3%;
    color: #a84402;
    font-family: sans-serif;
    font-size: 20px;
    font-weight: bold;
    text-align: right;
}
.answer {
    display: block;
    margin-right: 7%;
    margin-top: 1%;
    color: #23408f;
    font-family: sans-serif;
    font-size: 20px;
    text-align: right;
}
.answer:hover {
    font-weight: bold;
    cursor: pointer;
}
.movie {
    margin-right: 4%;
    margin-top: 3%;
    margin-bottom: 2%;
}
#presentation {
    position: relative;
    width: 100%;
    height: auto;
    margin-top: 4%;
    margin-bottom: 5%;
}
#presentation-iFrame {
    overflow:hidden;
    outline: none;
    /* pointer-events: none; */
}
.not-yet {
    position: absolute;
    background-color: rgba(255,255,255,.5);
    background-blend-mode: overlay;
}
.notYetImg{
    position: absolute;
    top: 50%;
    left: 50%;
    width: 90%;
    height: auto;
    transform: translate(-50%, -50%);
    display: none;
}
.download, .print {
    margin-bottom: 1%;
    margin-left: 2%;
    display: none;    
}
.fast, .slow {
    margin-top: 3%;
    margin-left: 1%;
    margin-bottom: -2%; 
}
#workPages {
    position: relative;
    width: 100%;
    height: auto;
    margin-top: 4%;
    margin-bottom: 5%;
}
#workPages-iFrame {
    overflow:hidden;
    outline: none;
    /* pointer-events: none; */
}
.goodTime {
    display: block;
    margin-top: 1%;
    color: red;
    font-family: sans-serif;
    font-size: 28px;
    font-weight: bold;
}