#conteudo form{
text-align: center;
}
#conteudo form .btnenvia{
position: absolute;
top: 150px;
left: 316px;
}
#conteudo form .inpu{
position: absolute;
left: 100px;
width: 271px;
height: 20px;
background-color: #F6F6D5;
}
#niver{
top: 70px;
}
#dia{
top: 116px;
}
#conteudo form span{
position: absolute;
left: 100px;
font-weight: bold;
}
#conteudo form .txniver{
top: 54px;
}
#conteudo form .txdia{
top: 100px;
}
#conteudo .msgerro{
position: absolute;
top: 190px;
left: 0;
width: 471px;
text-align: center;
color: #ff0000;
}