jQuery网页弹幕特效

1、新建html文档。

3、书写css代码。body { font-family: "proxima-nova"稆糨孝汶;, "Helvetica Neue", "Helvetica", "sans-serif"; }.bb-js .navbar-inverse { background-color: #477e84; border-color: #3b696e; }.bb-js .navbar-inverse .navbar-brand { color: #ffffff; }.bb-js .navbar-inverse .navbar-brand:hover, .bb-js .navbar-inverse .navbar-brand:focus { color: #e6e6e6; background-color: transparent; }.bb-js .navbar-inverse .navbar-text { color: #ffffff; }.bb-js .navbar-inverse .navbar-nav > li > a { color: #ffffff; }.bb-js .navbar-inverse .navbar-nav > li > a:hover, .bb-js .navbar-inverse .navbar-nav > li > a:focus { color: #ffffff; background-color: transparent; }.bb-js .navbar-inverse .navbar-nav > .active > a, .bb-js .navbar-inverse .navbar-nav > .active > a:hover, .bb-js .navbar-inverse .navbar-nav > .active > a:focus { color: #ffffff; background-color: #3b696e; }.bb-js .navbar-inverse .navbar-nav > .disabled > a, .bb-js .navbar-inverse .navbar-nav > .disabled > a:hover, .bb-js .navbar-inverse .navbar-nav > .disabled > a:focus { color: #cccccc; background-color: transparent; }.bb-js .navbar-inverse .navbar-toggle { border-color: #dddddd; }.bb-js .navbar-inverse .navbar-toggle:hover, .bb-js .navbar-inverse .navbar-toggle:focus { background-color: #dddddd; }.bb-js .navbar-inverse .navbar-toggle .icon-bar { background-color: #cccccc; }.bb-js .navbar-inverse .navbar-collapse, .bb-js .navbar-inverse .navbar-form { border-color: #3b686d; }.bb-js .navbar-inverse .navbar-nav > .dropdown > a:hover .caret, .bb-js .navbar-inverse .navbar-nav > .dropdown > a:focus .caret { border-top-color: #ffffff; border-bottom-color: #ffffff; }.bb-js .navbar-inverse .navbar-nav > .open > a, .bb-js .navbar-inverse .navbar-nav > .open > a:hover, .bb-js .navbar-inverse .navbar-nav > .open > a:focus { background-color: #3b696e; color: #ffffff; }.bb-js .navbar-inverse .navbar-nav > .open > a .caret, .bb-js .navbar-inverse .navbar-nav > .open > a:hover .caret, .bb-js .navbar-inverse .navbar-nav > .open > a:focus .caret { border-top-color: #ffffff; border-bottom-color: #ffffff; }.bb-js .navbar-inverse .navbar-nav > .dropdown > a .caret { border-top-color: #ffffff; border-bottom-color: #ffffff; }@media (max-width: 767) {.bb-js .navbar-inverse .navbar-nav .open .dropdown-menu > li > a { color: #ffffff; }.bb-js .navbar-inverse .navbar-nav .open .dropdown-menu > li > a:hover, .bb-js .navbar-inverse .navbar-nav .open .dropdown-menu > li > a:focus { color: #ffffff; background-color: transparent; }.bb-js .navbar-inverse .navbar-nav .open .dropdown-menu > .active > a, .bb-js .navbar-inverse .navbar-nav .open .dropdown-menu > .active > a:hover, .bb-js .navbar-inverse .navbar-nav .open .dropdown-menu > .active > a:focus { color: #ffffff; background-color: #3b696e; }.bb-js .navbar-inverse .navbar-nav .open .dropdown-menu > .disabled > a, .bb-js .navbar-inverse .navbar-nav .open .dropdown-menu > .disabled > a:hover, .bb-js .navbar-inverse .navbar-nav .open .dropdown-menu > .disabled > a:focus { color: #cccccc; background-color: transparent; }}

5、代码整体结构。