body{
    background: #cacaca
}

.login_block .login_form{
    max-width: 400px;
    margin: 30px auto;
    background: #fff;
    border-radius: 5px;
    box-shadow: 0 0 1px 1px #a0a0a0;
    padding: 10px 20px
}

.login_form h4{

}