body {
    background-image: url(../images/kontor.jpg);
    background-repeat: no-repeat;
    overflow: hidden;
    font-family: verdana;
}
.login_container {
    width: 300px;
    height: 400px;
    background-color: #fff;
    border-radius: 5px;
    border: 1px solid #ccc;
    margin: 50px auto 0 auto;
    text-align: center;
}
.login_container h1 {
    font-size: 20px;
    width: 100%;
    text-align: center;
}
.login_container a {
    width: 200px;
    height: 40px;
    border-radius: 5px;
    border: 1px solid #4cae4c;
    background-color: #5cb85c;
    display: block;
    color: #fff;
    text-align: center;
    text-decoration: none;
    font-weight: bold;
    margin: 0 auto;
    line-height: 40px;
    vertical-align: middle;
}
.login_container a:hover {
    opacity: 0.7;
}