body {
  font-family: 'Courier New', monospace;
  background-color: #f4f4f4;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.container {
  background-color: white;
  opacity:0.9;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  text-align: center;
}

h1 {
  margin-bottom: 20px;
}

input {
  width: 80%;
  padding: 10px;
  margin-bottom: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
  text-align: left;
}

button {
  padding: 10px 20px;
  background-color: #007bff;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  margin-top: 10px;
}

button:hover {
  background-color: #0056b3;
}

#copyButton {
  background-color: #28a745;
}

#copyButton:hover {
  background-color: #218838;
}

#clearButton {
  background-color: #dc3545;
}

#clearButton:hover {
  background-color: #c82333;
}

#emailButton {
  background-color: #800080;
}

#emailButton:hover {
  background-color: #6a006a;
}

ul {
  list-style-type: none;
  padding: 0;
  text-align: left;
}

li {
  padding: 10px;
  background-color: #e9e9e9;
  margin-bottom: 5px;
  border-radius: 4px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: move;
}

li .content {
  flex-grow: 1;
  text-align: left;
  display: flex;
  align-items: center;
}

li .number {
  margin-right: 10px;
  font-weight: bold;
}

.delete-button {
  background-color: #ff0000;
  color: white;
  border: none;
  border-radius: 4px;
  padding: 5px 10px;
  cursor: pointer;
  margin-left: 10px;
}

.delete-button:hover {
  background-color: #cc0000;
}

.hide-for-copy {
  display: none;
}

li.dragging {
  opacity: 0.5;
}

li.over {
  background-color: #d3d3d3;
  border: 2px dashed #000;
}