.speech-bubble { position: relative; background: #eee; border-radius: .4em; }
.speech-bubble:after { content: ''; position: absolute; bottom: 0; left: 50%; width: 0; height: 0; border: 29px solid transparent; border-top-color: #eee; border-bottom: 0; margin-left: -29px; margin-bottom: -29px; }
.container, .notfound {
  height: 100%;
}
.container {
  display: flex;
  justify-items: center;
  flex-direction: column;
  font-family: sans-serif;
}
.messagecontainer {
  width: 100%;
  display: flex;
  align-items: center;
  flex-direction: column;
}
.message {
  font-size: 4em;
  background: #eee;
  padding: 10px;
}