CSS & styling issues

OK, I have solved most of my initial issues and have it somewhat more “presentable”. There is one thing that I really would like to figure out and that is how I can get the twitter graphic to be next to my twitter handle. Currently I have the following as my “twitter-widget” code:

.widget_twitter div {
    padding:0;
    width:280px;
}
.widget_twitter a {
    text-decoration:none;
    color:#333333;
    margin: 0 10px 10px 0;
	}
}
.widget_twitter a:visited {
    text-decoration:underline;
    color:#FF00FF;
}
.widget_twitter a:hover {
    text-decoration:underline;
    color:#0000CC;
}

.widget_twitter ul {
    margin-left:
    margin-bottom:5px;
    clear:both;
}
.widget_twitter li .clear {
    clear:both;
}
.widget_twitter .follow-button,
.widget_twitter .xavisys-link {
    margin:0 10px 10px 25px;
}
.widget_twitter .entry-content {
   width:280px;
   margin-top:10px;

   }
.widget_twitter .entry-meta {
    display:block;
    font-size:80%;
    margin-bottom: 10px;
}
.widget_twitter .intent-meta a {
    background-image: url('images/everything-spritev2.png'); /** from Twitter resources */
    display: inline-block;
    text-indent: -9999px;
    margin: 0 10px 10px 0;
    height: 16px;
    width: 16px;
}
.widget_twitter .in-reply-to-meta {
    margin: 0 10px 10px 0;
}
.widget_twitter .intent-meta a.in-reply-to {
    background-position: 0 center;
}
.widget_twitter .intent-meta a:hover.in-reply-to {
    background-position: -16px center;
}
.widget_twitter .intent-meta a.favorite {
    background-position: -32px center;
}
.widget_twitter .intent-meta a:hover.favorite {
    background-position: -48px center;
}
.widget_twitter .intent-meta a.retweet {
    background-position: -80px center;
}
.widget_twitter .intent-meta a:hover.retweet {
    background-position: -96px center;
}

and this is the area that I made changes to my widget template:

$widgetContent .= '<ul>';
		if ( ! is_array( $tweets ) || count( $tweets ) == 0 ) {
			$widgetContent .= '<li class="wpTwitterWidgetEmpty">' . __( 'No Tweets Available', $this->_slug ) . '</li>';
		} else {
			$count = 0;
			foreach ( $tweets as $tweet ) {
				// Set our "ago" string which converts the date to "# ___(s) ago"
				$tweet->ago = $this->_timeSince( strtotime( $tweet->created_at ), $args['showts'], $args['dateFormat'] );
				$entryContent = apply_filters( 'widget_twitter_content', $tweet->text, $tweet );
                $widgetContent .= "<span class='entry-content'><img src='https://globe-trekking.com/running/wp-content/themes/newscast/images/bird_blue_16.png'><a href='https://twitter.com/{$args['username']}'>@{$args['username']}</a>  <br/>{$entryContent}</span>";
				$widgetContent .= " <span class='entry-meta'>";
				$widgetContent .= "<span class='time-meta'>";
				$linkAttrs = array(
					'href'	=> "https://twitter.com/{$tweet->user->screen_name}/statuses/{$tweet->id_str}"
				);
				$widgetContent .= $this->_buildLink( $tweet->ago, $linkAttrs );
				$widgetContent .= '</span>';

				if ( 'true' != $args['hidefrom'] ) {
					$from = sprintf( __( 'from %s', $this->_slug ), str_replace( '&', '&', $tweet->source ) );
					$widgetContent .= " <span class='from-meta'>{$from}</span>";
				}
				if ( !empty( $tweet->in_reply_to_screen_name ) ) {
					$rtLinkText = sprintf( __( 'in reply to %s', $this->_slug ), $tweet->in_reply_to_screen_name );
					$widgetContent .=  ' <span class="in-reply-to-meta">';
					$linkAttrs = array(
						'href'	=> "https://twitter.com/{$tweet->in_reply_to_screen_name}/statuses/{$tweet->in_reply_to_status_id_str}",
						'class'	=> 'reply-to'
					);
					$widgetContent .= $this->_buildLink( $rtLinkText, $linkAttrs );
					$widgetContent .= '</span>';
				}
 				$widgetContent .= '</span>';

				if ( 'true' == $args['showintents'] ) {
					$widgetContent .= ' <span class="intent-meta">';
					$lang = $this->_getTwitterLang();
					if ( !empty( $lang ) )
						$linkAttrs['data-lang'] = $lang;

					$linkText = __( 'Reply', $this->_slug );
					$linkAttrs['href'] = "https://twitter.com/intent/tweet?in_reply_to={$tweet->id_str}";
					$linkAttrs['class'] = 'in-reply-to';
					$linkAttrs['title'] = $linkText;
					$widgetContent .= $this->_buildLink( $linkText, $linkAttrs );

					$linkText = __( 'Retweet', $this->_slug );
					$linkAttrs['href'] = "https://twitter.com/intent/retweet?tweet_id={$tweet->id_str}";
					$linkAttrs['class'] = 'retweet';
					$linkAttrs['title'] = $linkText;
					$widgetContent .= $this->_buildLink( $linkText, $linkAttrs );

					$linkText = __( 'Favorite', $this->_slug );
					$linkAttrs['href'] = "https://twitter.com/intent/favorite?tweet_id={$tweet->id_str}";
					$linkAttrs['class'] = 'favorite';
					$linkAttrs['title'] = $linkText;
					$widgetContent .= $this->_buildLink( $linkText, $linkAttrs );
					$widgetContent .= '</span>';
				}
				/*$widgetContent .= '</li>';*/

				if ( ++$count >= $args['items'] )
					break;
			}
		}

		$widgetContent .= '</ul>';

this is what i’m going for.

https://globe-trekking.com/twitter_ideal.jpg

I’ve something to ask you…
did you created a css file right?
you put it in the same directory of the plugin, or somewhere else… right?
how you force the widget to import the css file?
Thanks in advance