frontend-bootcamp/step06/src/style.css

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  width: 400px;
  margin: 20px auto;
}
h1 {
  text-align: center;
}

.textfield {
  width: 80%;
}

.add {
  margin-left: 5%;
}

.button {
  border: none;
  padding: 5px 10px;
}

.filter {
  margin: 10px 0 0;
}

.filter button {
  background: transparent;
  border: none;
}
.filter .active {
  border-bottom: 2px solid blue;
}

.todos {
  list-style: none;
  padding: 0;
}

footer {
  display: flex;
}

footer span {
  flex-grow: 1;
}

.hidden {
  display: none;
}