div[class$="gmail-center_side"] {
    display:none;
}
.big_container_imported h1, .big_container_imported  h2, .big_container_imported  h3, .big_container_imported  h4, .big_container_imported  h5, .big_container_imported  h6, .big_container_imported  .h1, .big_container_imported  .h2, .big_container_imported  .h3, .big_container_imported  .h4, .big_container_imported  .h5, .big_container_imported  .h6{
	    color: inherit;
    font-size: inherit;
    font-weight: inherit;
}
div span br{
	display:none;
}