ussr-hubzilla-themes/ussrbasicright/css/blockmode.css

.wall-item-content.conv-list-mode {
	max-width: 280px;
	height:200px;
	min-height: 200px;
	overflow: hidden;
}

.thread-wrapper.toplevel_item.conv-list-mode {
	width: 300px;
	height: 300px; 
	float: left;
	margin-left: 5px;
	margin-bottom: 35px;
}