Add the following code before ]]> </ b: skin>
in your template.# Comments {overflow: hidden}
# comments h4 {display: inline; padding: 10px; line-height: 40px}
# comments h4,. comments. comment-header. comments. comment-thread.inline-thread. comment {position : relative}
# comments h4,. comments. continue a {background: # 0EE506 }
# comments h4,. comments. user a,. comments. continue a {font-size: 16px}
# comments h4,. comments. continue a { font-weight: normal; color: # fff}
# comments h4: after {content: ""; position: absolute; bottom:-10px; left: 10px; border-top: 10px solid # 0EE506 ; border-right: 20px solid transparent; width: 0; height: 0; line-height: 0}
# comments. avatar-image-container img {border: 0}
. comment-thread {color: # 111}
. comment-thread a {color: # 777 }
. comment-thread ol {margin: 0 0 20px}
. comment-thread. comment-content a,. comments. user a,. comments. comments-thread.inline-thread. user a {color: # 0EE506 }
. comments . avatar-image-container. comments. avatar-image-container img {width: 48px; max-width: 48px; height: 48px; max-height: 48px}
. comments. comment-block,. comments. comments-content . comment-replies. comments. comment-replybox-single {margin-left: 60px}
. comments. comment-block,. comments. comments-thread.inline-thread. comment {border: 1px solid # ddd; background: # f9f9f9; padding: 10px}
. comments. comments-content. comment {margin: 15px 0 0; padding: 0; width: 100%; line-height: 1em}
. comments. comments-content. icon.blog-author {position : absolute; top:-12px; right:-12px; margin: 0; background-image:
. Comments-content. Inline-thread {padding: 0 0 0 20px}
. comments. comments-content. comment-replies {margin-top: 0}
. comments. comment-content {padding: 5px 0; line-height: 1.4 I}
. comments. comment-thread.inline-thread {border-left: 1px solid # ddd; background: transparent}
. comments. comment-thread.inline-thread. comment {width: auto}
. comments. comment-thread. inline-thread. comment: after {content: ""; position: absolute; top: 10px; left:-20px; border-top: 1px solid # ddd; width: 10px; height: 0px}
. comments. comment-thread. inline-thread. comment. comment-block {border: 0; background: transparent; padding: 0}
. comments. comments-thread.inline-thread. comment-block {margin-left: 48px}
. comments. comment-thread. inline-thread. user a {font-size: 13px}
. comments. comments-thread.inline-thread. avatar-image-container. comments. comments-thread.inline-thread. avatar-image-container img {width: 36px; max-width: 36px; height: 36px; max-height: 36px}
. comments. continue {border-top: 0; width: 100%}
. comments. continue a {padding: 10px 0; text-align: center }
. comment. continue {display: none}
# comment-editor {width: 103%! important}
. comment-form {width: 100%; max-width: 100%}
0EE506 is the dominant color of this style Thread Comment, you can change it as you wish.