estilos.css

label {
    display:block;
    margin-top:10px;
    letter-spacing:1px;
    }
    .formulario {
    display:block;
    margin:0 auto;
    width:900px;
    color: #000000;
    font-family:Arial;
    }
    form {
    margin:0 auto;
    width:500px;
    }
   
   input, textarea {
    width:450px;
    height:10px;
    background:#FFFFFF;
    border:1px solid #1E1E1E;
    padding:10px;
    margin-top:5px;
    font-size:15px;
    color:#000000;
    }
   
   textarea {
    height:75px;
    }
   
   #submit {
    width:65px;
    height:35px;
   background:#191930;
   color: white;
    border:1px solid #000000;
    border:#725137;
    margin-top:10px;
    cursor:pointer;
    }