faire un joli bouton formulaire en css
form input[type="submit"]
{
border: #22bb44 1px solid;
background-color: #aaffaa;
width: 20%;
-webkit-border-radius: 10px;
-moz-border-radius: 10px;
}
form input[type="submit"]:hover
{
background-color: #00ff77;
cursor: pointer;
}