timeline.css

body {
  color: #666;
  background-color: #eef;
}

h2 {
  font-size: 20px;
}

h3 {
  font-size: 18px;
}

h4 {
  font-size: 16px;
  color: #999;
}

.profile img {
  display: block;
  width: 100px;
  float: left;
  margin-right: 1em;
}

.profile h2,
.timeline h2 {
  text-align: center;
}

.timeline h3 {
  margin-top: 0;
}

#profile-wrapper
{
  margin: 1em;
  background-color: #fff;
  border-radius: 0.5em;
  padding: 1em;
}

.timeline ul {
  margin: 1em;
  background-color: #fff;
  border-radius: 0.5em;
  padding: 1em;
  list-style-type: none;
}

.timeline li {
  padding-bottom: 1em;
  margin-bottom: 1em;
  border-bottom: solid 1px #eee;
}

.timeline li .col-md-10
{
  padding: 0;
}

.clearfloat:after {
  clear:both;
  content:"";
  display:block;
}

.timeline .icon {
  width: 60px;
  float: left;
  margin-right: 1em;
}

.date {
  float: right;
  color: #ccc;
}

.timeline h3,
.timeline h4 {
  display: inline-block;
}

timeline.js

$(function(){
  $(".reply-btn").click(function(){
    $("h4.modal-title").html('返信する');
  });

  $("#tweet-button").click(function(){
    $("h4.modal-title").html('つぶやく');
  });

  $(".rt-btn").click(function(){
    confirm('RTしますか？');
  });
});