<!DOCTYPE html> <html> <head> <style> / CSS code here /

header {

        background-color: Gray;
        color: white;
        text-align: center;
    }

    #city {
        background-color: #eeeeee;
        height: 100px;
        width: 10%;
        float: left;
    }

    #Lsection {
        background-color: #ffee00;
        width: 40%;
        height: 200px;
        float: left;
        margin-left: 20px;
    }

    #Psection {
        background-color: powderblue;
        width: 40%;
        height: 200px;
        float: left;
        margin-left: 20px;
    }
</style>

</head> <body> <div id="header"> <h1>City Gallery</h1> </div> <div id="city"> London <br> Paris <br> Tokyo <br> </div> <div id="Lsection"> <h1>London</h1> <p>London is the capital city of England.</p> </div> <div id="Psection"> <h1>Paris</h1> <p>Paris is the capital city of France.</p> </div> </body> </html>