body {
    font-family: "Trebuchet MS", Helvetica, sans-serif;
    background: #643d87 url(../img/fundo.jpg) no-repeat top center ;
}
#container {
    width: 400px ;
    height: 300px ;
    background-color: rgba(255,255,255,0.3) ;
    border-radius: 10px ;
    margin: 0 auto ;
    margin-top: 120px ;
    text-align: center ;
}
#container img{
    width: 120px ;
    height: 120px ;
    margin-top: -60px ;
    margin-bottom: 30px ;
}
input {
    height: 40px ;
    width: 80% ;
    font-size: 18px;
    margin-bottom: 10px ;
    background-color: #fff;
    padding-left: 40px ;
    border: none ;
    background-repeat: no-repeat ;
    background-position: 10px ;
}
input.usuario{
    background-image: url(../img/icone-usuario.png) ;
}
input.senha{
    background-image: url(../img/icone-cadeado.png) ;
}
input.submit{
    color: #fff ;
    background-color: #f79300; 
    border: 2px solid #db7d00;
    padding: 5px 20px ;
    height: 45px;
    width: 80% ;
}
p#msgErro {
    color: red ;
}