html {
    background-image:url(./NewBitmapImage.bmp);
}

#heading {
    width:1278px;;
    height:100px;
    top:0%;
    left:50%;
    margin-left:-638px;
    margin-bottom: 20px;
    background-color:#b5d9f3;
    position:fixed;
    z-index: 1; 
    font-size: 42;
    color: #474747;
    padding-top: 20px;
    text-align: center;
}
#header {
    width:1278px;;
    height:49px;
    margin-top:100px;
    background-color:#626262;
    left:50%;
    margin-left:-638px;
    position:fixed;
    z-index: 1;
    border-top:10px solid #3eb9d2;
    
}

#white {
    width:900px;
    left:50%;
    height: 1000px;
    background-color:white;
    position: fixed;
    margin-top:150px;
    margin-left:-444px;
    z-index: -2;
}

#cites {
    width:120px;;
    height:35px;
    margin-top:110px;
    margin-left:44px;
    left:50%;
    background-color:#838383;
    position:fixed;
    z-index: 10;
    text-align: center;
    padding-top:14px;
    color: #414141;
    font-size: 18;
}


#background {
    width:1278px;
    left:50%;
    margin-left: -638px;
    height: 100%;
    background-color:#bcbcbc;
    position: fixed;
    z-index: -5;
}

a {
    text-decoration: none
}
#home {
    width:120px;;
    height:35px;
    margin-top:110px;
    margin-left:-444px;
    left:50%;
    background-color:#838383;
    position:fixed;
    z-index: 10;
    text-align: center;
    padding-top:14px;
    color: #414141;
    font-size: 18;
}

#timeline {
    width:120px;;
    height:35px;
    margin-top:110px;
    margin-left:-322px;
    left:50%;
    background-color:#838383;
    position:fixed;
    z-index: 10;
    text-align: center;
    padding-top:14px;
    color: #414141;
    font-size: 18;
}

#Manufact {
    width:120px;;
    height:35px;
    margin-top:110px;
    margin-left:-200px;
    left:50%;
    background-color:#838383;
    position:fixed;
    z-index: 10;
    text-align: center;
    padding-top:14px;
    color: #414141;
    font-size: 18;
}

#tutorial {
    width:120px;;
    height:35px;
    margin-top:110px;
    margin-left:-78px;
    left:50%;
    background-color:#959595;
    position:fixed;
    z-index: 10;
    text-align: center;
    padding-top:14px;
    color: #414141;
    font-size: 18;
}

#tutorial:hover, #timeline:hover, #home:hover, #Manufact:hover, #cites:hover {
    background-color:#959595;
}

ol {
    width:750px;
    margin-top:360px;
    margin-left:-425px;
    left:50%;
    position:absolute;
    z-index: 0;
    color: #414141;
    font-size: 18;
    
}

#li--, #li1, #li5, #li4, #li--- {
    margin-top:20px;   
}

#ol- {
    width:750px;
    margin-top:1025px;
    margin-left:-425px;
    left:50%;
    position:absolute;
    z-index: 0;
    color: #414141;
    font-size: 18;
}

img1 {
    left:50%;
    margin-left: -350px;
    z-index: 0;
    position:absolute;
    border:2px solid gray;
}

img2 {
    left:50%;
    margin-left: -350px;
    z-index: 0;
    position:absolute;
    border:2px solid gray;
}

img3 {
    left:50%;
    z-index: 0;
    position:absolute;
    border:2px solid gray;
    margin-top:20px;

}

}

img4 {
    left:50%;
    z-index: 0;
    position:absolute;
    border:2px solid gray;

}

#h2-1 {
    left:50%;
    margin-left: -400px;
    z-index: 0;
    position:absolute;
    margin-top:200px;
}

h3 {
    left:50%;
    margin-left: -410px;
    z-index: 0;
    position:absolute;
    margin-top:1000px;
}

#h3- {
    left:50%;
    margin-left: -410px;
    z-index: 0;
    position:absolute;
    margin-top:330px;
}

#body-1 {
    left:50%;
    right:50%;
    margin-left: -405px;
    z-index: 0;
    position:absolute;
    top:240px;
    font-size: 18px;
    font-family:serif;
}

#credit {
    left:50%;
    margin-left: 130px;
    z-index: 0;
    position:absolute;
    top:540px;
    color: #838383;
    font-size: 14px;
}

#dropDown-1 {
    width:160px;;
    height:25px;
    margin-top:159px;
    margin-left:-202px;
    left:50%;
    background-color:#838383;
    position:fixed;
    z-index: 10;
    text-align: center;
    padding-top:10px;
    color: #414141;
    font-size: 18;
    border:2px solid #626262;
    display:none;
}

#dropDown-2 {
    width:160px;;
    height:25px;
    margin-top:196px;
    margin-left:-202px;
    left:50%;
    background-color:#838383;
    position:fixed;
    z-index: 10;
    text-align: center;
    padding-top:10px;
    color: #414141;
    font-size: 18;
    border:2px solid #626262;
    display:none;
}

#dropDown-3 {
    width:160px;;
    height:25px;
    margin-top:233px;
    margin-left:-202px;
    left:50%;
    background-color:#838383;
    position:fixed;
    z-index: 10;
    text-align: center;
    padding-top:10px;
    color: #414141;
    font-size: 18;
    border:2px solid #626262;
    border:2px solid #626262;
    display:none;
}

#dropDown-4 {
    width:160px;;
    height:25px;
    margin-top:270px;
    margin-left:-202px;
    left:50%;
    background-color:#838383;
    position:fixed;
    z-index: 10;
    text-align: center;
    padding-top:10px;
    color: #414141;
    font-size: 18;
    border:2px solid #626262;
    border:2px solid #626262;
    display:none;
}

#dropDown-3:hover, #dropDown-2:hover, #dropDown-1:hover, #dropDown-4:hover {
    background-color:#acacac;
}