Mohammad Taqui Sayed

Its not showing read more text because you dont have enough text, write more text and it will show up.

Yes that’s under TOP_MOST_STYLES however you would need to inspect element to write CSS anyways.

The slider width is equal to the content size, if you change the content size from supenrova settings, the slider size will also change.

Ahh. Hold on, found it. You had chosen custom structure from Setting > Permalink and the custom structure was blank. Fixed now

Well, then cannot say anything without looking at the code. If you wish you can send your login information for me to have a look here http://supernovathemes.com/contact-me/

1) Sorry i dont know Spanish however there may be spanish forum, probably this one http://es.forums.wordpress.com/ but not sure.
2) I think you are talking about Powered by WordPress. If that is the case, you can find this text in footer.php file from Appearance > Edit
3) I m not sure if you can.
4) That text is translatable. Are you not able to translate it?
5) Did really understand this.

/*Colors*/
#header_navigation .category ul li a{color:#e64e4b}
.header_catnav .catnav ul a {color:#e64e4b}
#top_nav li a:hover{color:#e64e4b}
#nav li a:hover {color:#e64e4b}
#nav li.current_page_item a, #top_nav li.current_page_item a{color:#e64e4b;}
#nav .current_page_item .hasChildren, #top_nav .current_page_item .hasChildren{border-top:8px solid #e64e4b;}
.post_title a:hover{color:#e64e4b!Important;}
.article_wrapper{border-left:1px solid #e64e4b}
page_links a {color:#e64e4b}
#content .tags a {background: #e64e4b}
.next_prev_post a{color:#e64e4b;}
.entry a{color:#e64e4b;}
.entry .moretag:hover {color:#e64e4b!Important;}
.main_content .meta_author a{color:#e64e4b;}
#footer .current_page_item a{color:#e64e4b;}
#footer a:hover{color:#e64e4b}
.footer_nav li a:hover,#footer .footer_nav li a:hover{color:#e64e4b!important}
.widget_pages a:hover{background:#e64e4b;}
.widget_meta a:hover{background:#e64e4b;}
.widget_archive a:hover{background:#e64e4b;}
.widget_recent_comments a:hover{background:#e64e4b;}
.widget_nav_menu a:hover{background:#e64e4b;}
.widget_recent_entries a:hover{background:#e64e4b;}
.widget_tag_cloud a:hover{background:#e64e4b;}
#wp-calendar tbody td:hover { background: #e64e4b;}
#wp-calendar #today{background: #e64e4b;}
.rsswidget:hover{color:#e64e4b!important}
.supernova a:hover{background:#e64e4b;}
.widget_categories li a:hover{background:#e64e4b;}
.leave_comment a:hover{color:#e64e4b;}
.single_content .meta_author{color:#e64e4b}
#supernova_breadcrumbs a{color:#e64e4b}
.supernova_related_posts a{color:#e64e4b;}
.supernova_related_posts a:hover{background: #e64e4b;}
.pagination a:hover{color:#e64e4b}
.pagination .current{color:#e64e4b;}
.replyback a {color:#e64e4b;}
.flex-control-paging li a.flex-active { background: #e64e4b;}
/*Selection*/
::selection{background: #e64e4b; /* Safari */}
::-moz-selection{background: #e64e4b; /* Firefox */}
p.red::selection{background: #e64e4b;}
p.red::-moz-selection{background: #e64e4b;}

#e64e4b is the color you might want to change to change the whole color scheme. Paste this in Apperance>Supernova > Styling> Custom CSS so you dont loose it after the theme is updated.

That only accepts letters and numbers meaning A-Z & 0-9. Nothing else.
Im fixing it in the next version which should be available soon
http://wordpress.org/support/topic/popular-blogs-tabs-on-homepage?replies=4