body {
    background: url('images/dunakeszi-latkep.jpg') no-repeat ;
    background-repeat: no-repeat;
    background-size: cover;
}

.btn_link {
    cursor: pointer;
    text-decoration: none;
    color: #3da4ea;
}
.btn_link:hover {
    text-decoration: underline;
    color: #2b53c5;
}

input[type="submit"] {
    font-size: 1rem !important;
}