label1 {
        font-size: 17px;
        color: green;
        animation: animate
            1s linear infinite;
    }

    @keyframes animate {
        0% {
            opacity: 0;
        }

        50% {
            opacity: 0.7;
        }

        100% {
            opacity: 0;
        }
    }
    .botao input {
      width: 50px;
      height: 20px;
      background-color: #f2f2f2;
      padding: 3px;
      border: 1px solid #ccc;
      color: #333;
    }

    .botao input[type=submit] {
      border-radius: 5px;
      border: 1px solid #333;
      background-color: Teal;
      color: #fff;
      height: 30px;
      width: 200px;
    }