#mam-stream-column {
  width: 300px;
  height: calc(100%);

  background-color: aqua;

}

#mam-stream-header {
  width: calc(100%);
  height: 30px;

  background-color: black;
  
  border-bottom: 1px solid whitesmoke;
}

  #mam-stream-header h1 {
    color: whitesmoke;
    font-size: 0.8em;
    font-weight: normal;
    margin: 0;
    padding: 8px 0 0 10px;
  }


#mam-stream-toots {
  height: calc(100% - 30px);
  overflow: auto;

}