estilo submit button defecto
#submit
{
border:1px solid #A0A0A0;
font-weight: normal;
color:black;
background:#DEDEDE;
background-image: -webkit-gradient(linear, left top, left bottom, from(#F6F6F6), to(#DEDEDE));
background-image: -webkit-linear-gradient(top, #F6F6F6, #DEDEDE);
background-image: -moz-linear-gradient(top, #F6F6F6, #DEDEDE);
background-image: -o-linear-gradient(top, #F6F6F6, #DEDEDE);
background-image: linear-gradient(to bottom, #F6F6F6, #DEDEDE);
}
#submit:hover
{
border:1px solid #747474;
}