#btn_enviar{
    background: #0b1e7d;
    height: 40px;
    width: 150px;
}

#btn_enviar:hover{
    background: #05166b;
}

h2,h4{
    color: #0b1e7d;
}

a{
    color: #ad0a0a;
}

a:hover{
    color: #710808;
}