File: public/css/comment.css

<style>

.text-right{ text-align: right; }

.comments-app{
  margin: 50px auto;
  padding: 0 50px;
  width: 100%;
}

.comments-app h1{
  color: #191919;
  margin-bottom: 1.5em;
  text-align: center;
  text-shadow: 0 0 2px rgba(152, 152, 152, 1);
}

.comment-form{  }
.comment-form .comment-avatar{  }
.comment-v{
  margin-top : 5px;
}
.comment-form .form{ margin-left: 100px; }

.comment-form .form .form-row{ margin-bottom: 10px; }
.comment-form .form .form-row:last-child{ margin-bottom: 0; }

.comment-form .form .input{
  background-color: #fcfcfc;
  border: none;
  border-radius: 4px;
  box-shadow: 0 1px 1px rgba(0, 0, 0, .15);
  color: #555f77;
  font-family: inherit;
  font-size: 14px;
  padding: 5px 10px;
  outline: none;
  width: 100%;

  -webkit-transition: 350ms box-shadow;
  -moz-transition: 350ms box-shadow;
  -ms-transition: 350ms box-shadow;
  -o-transition: 350ms box-shadow;
  transition: 350ms box-shadow;
}

.comment-form .form textarea.input{
  height: 100px;
  padding: 15px;
}

.comment-form .form label{
  color: #555f77;
  font-family: inherit;
  font-size: 14px;
}

.comment-form .form input[type=submit]{
  background-color: #555f77;
  border: none;
  border-radius: 4px;
  box-shadow: 0 1px 1px rgba(0, 0, 0, .15);
  color: #fff;
  cursor: pointer;
  display: block;
  margin-left: auto;
  outline: none;
  padding: 6px 15px;

  -webkit-transition: 350ms box-shadow;
  -moz-transition: 350ms box-shadow;
  -ms-transition: 350ms box-shadow;
  -o-transition: 350ms box-shadow;
  transition: 350ms box-shadow;
}

.comment-form .form .input:focus,
.comment-form .form input[type=submit]:focus,
.comment-form .form input[type=submit]:hover{
  box-shadow: 0 2px 6px rgba(121, 137, 148, .55);
}

.comment-form .form.ng-submitted .input.ng-invalid,
.comment-form .form .input.ng-dirty.ng-invalid{
  box-shadow: 0 2px 6px rgba(212, 47, 47, .55) !important;
}

.comment-form .form .input.disabled {
    background-color: #E8E8E8;
}


.comments{  }

.comment-form,
.comment{
  margin-bottom: 20px;
  position: relative;
  z-index: 0;
}

.comment-form .comment-avatar,
.comment .comment-avatar{
  border: 2px solid #fff;
  border-radius: 50%;
  box-shadow: 0 1px 2px rgba(0, 0, 0, .2);
  height: 80px;
  left: 0;
  overflow: hidden;
  position: absolute;
  top: 0;
  width: 80px;
}

.comment-form .comment-avatar img,
.comment .comment-avatar img{
  display: block;
  height: auto;
  width: 100%;
}

.comment .comment-box{
  background-color: #fcfcfc;
  border-radius: 4px;
  box-shadow: 0 1px 1px rgba(0, 0, 0, .15);
  margin-left: 100px;
  min-height: 60px;
  position: relative;
  padding: 15px;
}

.comment .comment-box:before,
.comment .comment-box:after{
  border-width: 10px 10px 10px 0;
  border-style: solid;
  border-color: transparent #FCFCFC;
  content: "";
  left: -10px;
  position: absolute;
  top: 20px;
}

.comment .comment-box:before{
  border-color: transparent rgba(0, 0, 0, .05);
   top: 22px;
}

.comment .comment-text{
  color: #555f77;
  font-size: 15px;
  margin-bottom: 25px;
}

.comment .comment-footer{
  color: #acb4c2;
  font-size: 13px;
}

.comment .comment-footer:after{
  content: "";
  display: table;
  clear: both;
}

.comment .comment-footer a{
  color: #acb4c2;
  text-decoration: none;

  -webkit-transition: 350ms color;
  -moz-transition: 350ms color;
  -ms-transition: 350ms color;
  -o-transition: 350ms color;
  transition: 350ms color;
}

.comment .comment-footer a:hover{
  color: #555f77;
  text-decoration: underline;
}

.comment .comment-info{
  float: left;
  width: 85%;
}

.comment .comment-author{ }
.comment .comment-date{ }

.comment .comment-date:before{
  content: "|";
  margin: 0 10px;
}

.comment-actions{
  float: left;
  text-align: right;
  width: 15%;
}

.reply{
    margin-top: 5px;
    margin-left: 60px;
}
.list{
    list-style: none;
    list-style-type: none;
    display: inline !important;
}
</style>