body {
  background-color: #ffffff;
  color: #000000;
  font-family: monospace;
  
}

.mailbox {
  width: 500px;
  margin: 0 auto;
  }

.incoming{
  font-weight: bolder;
}


.header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 5px;
  font-weight: bolder;
}


.label {
  margin-right: 5px;
}

.box {
  margin-top: 20px;
  padding: 5px;
  overflow-y: auto;
}

.house{
  margin-top: 20px;
  padding: 5px;
}

.house-ascii {
  display: none;
  white-space: pre-wrap;
  color: #000000;
}

.enter-wrapper:hover .house-ascii {
  display: block;
}