using css to control tables in wordpress

I am trying to use css to control the table back ground images and it is not working here is the css I am using

table.one {border-collapse:collapse;
background-image: url(http://yours4success.com/sixdollarminisite/wp-content/uploads/sites/3/2014/09/blubackground.png);
width: 750px !important;
}

I have my custom css plugin installed and here is the tabel code I am using

<table class="table.one"></table>
and a link to my test pae
http://yours4success.com/sixdollarminisite/table/

any thoughts to what I am missing here !