body {
  background: linear-gradient(100deg, #142029 0%, #ce3e3ede 100%);
  box-shadow: 15px 70px 50px rgba(39, 130, 113, 0.899);
}

.adicionar {
  background-color: royalblue;
  color: white;
  font-size: 15px;
  border: 2px solid black;
  width: 130px;
  height: 31px;
}
#container {
  display: flex;
  flex-direction: column;
  background-color: aqua;
  border-radius: 50px;
  width: 550px;
  margin: auto;
  margin-top: 12%;
}
.completed {
  text-decoration: line-through solid rgb(0, 0, 0);
}
#funcionamento {
  margin-left: 50px;
  margin-top: 40px;
}
.input {
  width: 300px;
  height: 25px;
  border: 2px solid black;
  font-size: 20px;
}
.limparTudo {
  margin-left: 50px;
  background-color: green;
  color: honeydew;
  font-size: 20px;
  border: 2px solid black;
}
.listas {
  display: inline-flex;
}
.limpar-finalizados {
  margin-left: 50px;
  background-color: tomato;
  color: honeydew;
  font-size: 20px;
  border: 2px solid black;
}
#lista-tarefas {
  margin-left: 25px;
}
.listnis {
  font-size: 20px;
}
#pai {
  display: flex;
  flex-direction: column;
  align-self: flex-start;
}

#pai2 {
  display: inline-block;
}
#texto-tarefa {
  margin-left: 50px;
}
#titulo {
  margin-left: 100px;
  margin-top: 30px;
}

@media (max-width: 999px) {
  #container {
    margin-top: 30%;
  }

  .h1 {
    text-align: center;
    margin-top: 10%;
    color: aliceblue;
    font-size: 50px;
  }
}

@media (min-width: 999px) {
  .h1 {
    display: none;
  }
}