#all_content {
    width:1000px;
    height: 2200px;
    margin-left: auto;
    margin-right: auto;
    background-color: rgb(170, 216, 225)(255, 0, 208);
} 
#banner {
    background-color: pink;
    height: 92px;
    width: 100%;
   
}
#leftlinks {
    width: 150px;
    height: 2100px;
    float: left;
    background-color:rgb(46, 148, 237); 
}
#right_side_content {
    width: 840px;
    height: 2100px;
    float: left;
    background-color: rgb(172, 216, 175);

}
body {
    background-color: rgb(255, 255, 186);
}

.bb1 {
    width: 800px;
    height: 620px;
}