html, body {
  margin: 0;
  padding: 0;
}

body {
  background-color: #f5f5f5;
}

.container {
  max-width: 700px;
  margin: 0 auto;
}

.header {
  background-color: #000;
}

.header h1 {
  font-family: 'Source Sans Pro', sans-serif;
  font-size: 32px;
  font-weight: 200;
  color: #fff;
  margin: 0;
  padding: 7px 0;
}

.notification {
  position: relative;
}

.notification img {
  padding: 10px 0;
}

.notification-menu {
  position: absolute;
  top: 50px;
  left: -200px;
  background-color: #e5e5e5;
  border: #989898;
  padding: 10px;
  list-style: none;
  width: 250px;
  display: none;
}

.notification-menu li {
  background-color: #fff;
  padding: 10px;
  margin-bottom: 10px;
}

.notification-menu .avatar {
  padding: 2px 0;
}

.notification-menu h3 {
  font-size: 15px;
  margin: 0 0 5px 0;
  display: inline;
}

.notification-menu p {
  margin-bottom: 0;
  font-size: 14px;
}

.post {
  background-color: #fff;
  padding: 20px;
  margin: 20px 0;
  box-shadow: 0 2px 3px rgba(0,0,0,.1);
}

.post .avatar {
  padding-right: 10px;
  padding-bottom: 5px;
}

.post h3 {
  font-size: 16px;
  margin-top: 0;
  display: inline;
}

.post p {
  font-size: 14px;
}

.post p + img {
  width: 100%;
  margin-bottom: 15px;
}

.btn {
  color: #333;
  border-color: #ccc;
  background-color: transparent;
  font-weight: 600;
}

.btn-like .btn {
  background-color: #CC0000;
  border-color: #B20000;
  color: #fff;
}

.btn:focus {
  outline: 0;
}