bootstrap-screen, thumbnail, warning box

Giant Curtain:

<Divclass= "Jumbotron">    <Divclass= "Container">        <H1>W3school</H1>        <P>Study hard and learn to learn day in and day out good study day</P>        <P><ahref="#"class= "Btn btn-primary">Are you sure</a></P>    </Div></Div>

Figure:

Thumbnail Image:

<!--thumbnail thumbnail image -<Divclass= "Container">    <Divclass= "Row">        <Divclass= "Col-lg-2">            <ahref= "Www.baidu.com"class= "thumbnail">                <imgsrc= "User_photo.png" />            </a>        </Div>        <Divclass= "Col-lg-2">            <ahref= "Www.baidu.com"class= "thumbnail">                <imgsrc= "User_photo.png" />            </a>        </Div>    </Div>    <!--You can also give the thumbnail a different style to the parent. -    <Divclass= "Row"style= "margin-top:20px">        <Divclass= "Col-lg-4">            <Divclass= "thumbnail">                <ahref="#">                    <imgsrc= "User_photo.png" />                </a>                <Divclass= "caption">                        <H3>W3school</H3>                    <P>A variety of knowledge points can be found here</P>                    <P>                        <ahref="#"class= "Btn btn-primary">View</a>                        <ahref="#"class= "Btn Btn-danger">Delete</a>                    </P>                </Div>                </Div>            </Div>    </Div></Div>

Figure:

Warning Box:

<Divclass= "Container">    <Divclass= "Row">        <Pclass= "Alert Alert-success">This is a warning box! <Buttonclass= "Close"Data-dismiss= "Alert">&times</Button>        </P>        <Pclass= "Alert Alert-info">This is a warning box!</P>        <Pclass= "Alert Alert-danger">Error!</P>        <Pclass= "Alert Alert-warning">This is a warning box!</P>        <Pclass= "Alert Alert-success">This is a warning box!</P>    </Div></Div>

Figure:

bootstrap-screen, thumbnail, warning box