/* Forbid right slide of the sreen start */
body {
    overflow-x: hidden;
}
/* Forbid right slide of the sreen end */
/* Sphingolipid Structure CSS Start */
/* navigation CSS */
.nav-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 18%;
    height: 100%;
    background-color:rgb(0,100,0,0.6);
    overflow-y: scroll;
}
.nav-bar header{
    font-size: 32px;
    color: black;
    padding-left: 30px;
    line-height: 50px;
    background-color: rgb(0,100,0,0.3);
    user-select: none;
}
.nav-bar a {
    display: block;
    height: 100%;
    width: 100%;
    line-height: 45px;
    font-size: 24px;
    font-weight: bold;
    padding-left: 30px;
    color: #000;
    box-sizing: border-box;
    border-top: 1px solid rgb(255, 255, 255, .1);
    border-bottom: 1px solid black;
}
ul li:hover a{
    padding-left: 50px;
}
.nav-bar img{
    display: block;
    width: 100%;
    height: 355px;
    background-image: url("../images/SphingolipidStructure2.png");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 250px auto;
}
/* five modules */
.content{
    width: 82%;
    margin-left: 18%;
}
.brief-intro{
    font-size: 32px;
    box-sizing: border-box;
    padding-left: 45px;
    padding-right: 45px;
    padding-top: 30px;
    padding-bottom: 15px;
}
.LCB{
    font-size: 32px;
    box-sizing: border-box;
    padding-left: 45px;
    padding-right: 45px;
    padding-top: 15px;
    background-size: 1000px auto;
    background-color:rgb(127,255,0,0.1);
}
.content .img1{
    width: 100%;
}
.img1 img{
    max-width: 100%;
    width: 70%;
    display: block;
    margin: 30px auto;
}
.ceramides{
    background-color: rgb(127, 255, 0,0.1);
    box-sizing: border-box;
    font-size: 32px;
    padding-left: 45px;
    padding-right: 45px;
    background-size: 1000px auto;

}
.polarhead{
    box-sizing: border-box;
    font-size: 32px;
    padding: 15px 45px;
    background-color:rgb(127,255,0,0.1);
}
.diversity{
    box-sizing: border-box;
    font-size: 32px;
    padding-left: 45px;
    padding-right: 45px;
}
/* Sphingolipid Structure CSS End */