style.css

.wrapper {
    width: 45%;
    height: auto;
    margin: 10px auto;
    border: 1px solid #cbcbcb;
    background: white;
  }
  /*
  * COMMENT FORM
  **/
  .comment_form {
    width: 80%;
    margin: 100px auto;
    border: 1px solid green;
    background: #fafcfc;
    padding: 20px;
  }
  .comment_form label {
    display: block;
    margin: 5px 0px 5px 0px;
  }
  .comment_form input, textarea {
    padding: 5px;
    width: 95%;
  }
  #submit_btn, #update_btn {
    padding: 8px 15px;
    color: white;
    background: #339;
    border: none;
    border-radius: 4px;
    margin-top: 10px;
  }
  #update_btn {
    background: #1c7600;
  }
  /*
  * COMMENT DISPLAY AREA
  **/
  #display_area {
    width: 90%;
    padding-top: 15px;
    margin: 10px auto;
  }
  .comment_box {
    cursor: default;
    margin: 5px;
    border: 1px solid #cbcbcb;
    padding: 5px 10px;
    position: relative;
  }
  .delete {
    position: absolute;
    top: 0px;
    right: 3px;
    color: red;
    display: none;
    cursor: pointer;
  }
  .edit {
    position: absolute;
    top: 0px;
    right: 45px;
    color: green;
    display: none;
    cursor: pointer;
  }
  .comment_box:hover .edit, .comment_box:hover .delete {
    display: block;
  }
  .comment_text {
    text-align: justify;
  }
  .display_name {
    color: blue;
    padding: 0px;
    margin: 0px 0px 5px 0px;
  }