/* @import url('http://example.com/example_style.css'); */

/***********************************************/
/* CSS @imports must be at the top of the file */
/* Add them above this section                 */
/***********************************************/

/*****************************************/
/* Start your style declarations here    */
/*****************************************/
<style>

iframe {
      width: 100%;
      height: auto;
   }

table.i-share-hero-table { background: url("https://20329755.fs1.hubspotusercontent-na1.net/hubfs/20329755/hero-investment-shares.jpg"); } 

a:hover{
    text-decoration:underline;
    border-bottom: 1px e63410;
}


</style>