Hi Papacico,

1) Get into wp-content/plugins/designthemes-core-features/shortcodes/shortcodes.php and refer this – https://prnt.sc/vuwnog change text here

2) Please add the following styles into “Dashboard > Appearance > Customize > Additional CSS” section,

.dt-sc-post-entry.entry-list-layout.dt-sc-soulmedic-style .blog-entry .entry-thumb .blog-image a {
    border: 1px solid;
}