Reverting CSS style of <input type=submit button to its default style

background-color:grey !important;

background:grey;

input{
blah; blah; blah;
}

input[type="text"] {
blah blah blah
}

#addForumNote input[type="text"], label, textarea{
  width: 425px;
  background-color: #ccc;
  border-style: solid;
  border: 1px;
  border-color: #7a7b7a;
}

INPUT, SELECT
{
    color: #003333;
    font-size: 90%;
    border-bottom: #d3d3d3 1px solid;
    border-left: #d3d3d3 1px solid;
    border-top: #d3d3d3 1px solid;
    border-right: #d3d3d3 1px solid;
}

INPUT[type="submit"]
{
    background-color: #336699;
    color: #f0e68c;
}