body {
  font-family: Arial, sans-serif;
  background-color: #f0f0f0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  color:black;
}

.container {
  background-color: white;
  padding: 20px;
  border-radius: 8px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

h1 {
  text-align: center;
}

form {
  display: flex;
  margin-bottom: 20px;
}

input {
  flex: 1;
  padding: 10px;
  border: 1px solid black;
  border-radius: 4px;
}

button {
  padding: 10px 15px;
  border: none;
  background-color:yellow;
  color: black;
  cursor: pointer;
  border-radius: 4px;
}

button:hover {
  background-color: white;
}

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

li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px;
  border-bottom: 1px solid #ccc;
}

.completed {
  text-decoration: line-through;
  color: yellow;
}

.filters {
  margin-top: 20px;
  display: flex;
  justify-content: space-around;
}

.filter {
  padding: 5px 10px;
  background-color: red;
  color:black;
  border: none;
  cursor: pointer;
  border-radius: 4px;
}

.filter:hover {
  background-color: white;
}