body {
  font-family: sans-serif;
  padding: 20px;
  background: #181818;
  color: #fff;
}
h1 {
  margin-bottom: 20px;
}
.input-area {
  margin-bottom: 20px;
}
input {
  padding: 10px;
  width: 250px;
  margin-right: 10px;
}
button {
  padding: 10px;
  background: #111b32;
  color: white;
  border: none;
  cursor: pointer;
  margin-right: 5px;
}
button.export {
  background: green;
}
.columns {
  display: flex;
  gap: 20px;
}
.column {
  background: #eceef1;
  padding: 10px;
  border-radius: 5px;
  min-height: 300px;
  flex: 1;
  color: black;
}
.column h2 {
  text-align: center;
}
.note {
  background: #fff7c2;
  margin: 5px 0;
  padding: 10px;
  cursor: move;
  border-radius: 5px;
  position: relative;
}
.note button {
  position: absolute;
  right: 5px;
  top: 5px;
  background: transparent;
  color: black;
  border: none;
  font-size: 16px;
}