style.css

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f4f4f9;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100vh;
  margin: 0;
}

h1 {
  color: #333;
  margin: 20px 0;
  font-size: 40px;
  text-shadow: 0 3px 2px rgb(199, 255, 31);
}

.kanban-board {
  display: flex;
  gap: 20px;
}

.column {
  background-color: #ffffff;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  padding: 20px;
  width: 300px;
}

h2 {
  margin-top: 0;
  color: #333;
  border-bottom: 2px solid #eee;
  padding-bottom: 10px;
  font-size: 1.5rem;
}

.task-list {
  min-height: 150px;
  padding: 10px;
  background-color: #f9f9f9;
  border-radius: 5px;
  margin-bottom: 20px;
  transition: background-color 0.3s ease;
}

.task-list.dragover {
  background-color: #e3f2fd;
}

.task {
  background-color: #e3e3e3;
  border-radius: 5px;
  padding: 15px;
  margin-bottom: 10px;
  cursor: grab;
  transition: transform 0.2s ease, background-color 0.3s ease;
}

.task:hover {
  transform: scale(1.05);
  background-color: #d1d1d1;
}

.add-task-btn {
  width: 100%;
  padding: 10px;
  border: none;
  border-radius: 5px;
  background-color: #007bff;
  color: #ffffff;
  cursor: pointer;
  font-size: 1rem;
  transition: background-color 0.3s ease;
}

.add-task-btn:hover {
  background-color: #0056b3;
}

.hide {
  display: none;
}

#todo{
  border: 2px solid rgb(252, 148, 148);
  box-shadow: 0 4px 8px rgb(252, 148, 148);
}

#inprogress{
  border: 2px solid rgb(252, 148, 148);
  box-shadow: 0 4px 8px rgb(252, 148, 148);
}

#done{
  border: 2px solid rgb(252, 148, 148);
  box-shadow: 0 4px 8px rgb(252, 148, 148);
}

.task .delete-btn {
  display: none;
  position: absolute;
  top: 10px;
  right: 10px;
  background-color: #ff4d4d;
  border: none;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  color: #ffffff;
  cursor: pointer;
  font-size: 0.8rem;
  text-align: center;
}

.column#done .task .delete-btn {
  display: block;
}