body {
    background-color: #F1F2ED;
}
.tac {
    text-align: center;
}
.signin {
    margin: 50px auto 0;
}

#logo {
    text-align: center;
    margin: 10px 0;
}
.signin {
    padding: 13px;
    border-radius: 10px;
    background-color: #FFF;
    border: 1px solid #A7A7A7;
}