div.BotaoDir
{
    border: solid 0px Black;
    margin: 10px 0px 0px 0px;
    padding: 5px;
    float: right;
    text-align: center;
    background-color: White;
    }
div.BotaoEsq
{
    border: solid 0px Black;
    margin: 10px 0px 0px 0px;
    padding: 5px;
    float: left;
    text-align: center;
    background-color: White;
    }
div.Livro
{
    border: solid 1px #cccccc;
    margin: 10px 10px 5px 0px;
    padding: 3px;
    float: left;
    text-align: center;
    background-color: White;
    }