.header {
    position:relative;
}
.CssClass{
    /*position:relative;
    top:150px;*/
    /*margin-top:200px;*/
    margin-top:30px;
    /*padding:20px;*/
    
}
    .CssClass .CssTitle{

    }
    .CssClass .CssClassView {
        padding: 10px;
        margin: 20px 10px;
    }

/**響應式語法**/
@media screen and (max-width:768px) {
    .header .CssLogo {
        width:300px;
    }

    #navbarSupportedContent {
        width: 100%;
    }
}