.caja-color {

    width: 340px;
    height: 360px;
    background: #000;
    color: #fff;
    
  }

  .caja-color label {
    margin: 0;
    margin-top: 5%;
    padding: 0 0 10px;
    font-weight: bold;
    display: block;
    size: 35pt;
  }
  
  .caja-color input {
    width: 100%;
    margin-bottom: 20px;
  }
  
  .caja-color input[type="number"], .caja-color input[type="password"],.caja-color input[type="text"] {
    border: none;
    border-bottom: 1px solid #fff; /* borde hacia abajo */
    background: transparent;
    outline: none; /* quitar la linea */
    height: 40px;
    color:burlywood;
    font-size: 16px;
  }
  
  .caja-color input[type="submit"] {
    border: none;
    outline: none;
    height: 40px;
    background: #F49309;
    color: #fff;
    font-size: 18px;
    border-radius: 20px;
    margin-top: 5%;
  }

  .caja-color input[type="submit"]:hover {
    cursor: pointer;
    background:#E5B336 ;
    color: #000;
  }