header {
    top: 0;
    background: #ffffff;
    position: fixed;
    width: 100%;
    color: #fff;
    padding-top: 1rem;
    text-align: center;
    z-index: 1000;
}

header .logo-dan-iklan {
    justify-content: center;
    display: flex;
    margin: 0 auto;
    padding-bottom: 10px;
}

.logo-dan-iklan {
    display: flex;
    align-items: center;
    background-color: rgb(255, 255, 255);
    width: 1000px;
    padding: 0 auto;
}

.logo {
    align-items: center;
    display: flex;
}

.logo img {
    max-width: 230px;
    width: 100%;
    height: auto;
}
.iklan {
    background: #7eafa5;
    align-items: center;
    display: flex;
    margin: 0 auto;
    padding-bottom: 0;
}

.iklan img {
    background: #11a811;
    max-width: 300px;
    width: 100%;
    height: auto;
    border-radius: 0;
}

.iklan-kue img {
    max-width: 200px;
    width: 100%;
    height: auto;
    border-radius: 0;
}

header h1 {
    margin: 0;
    font-size: 2rem;
}

nav {
    background: #000000;
    color: #fff;
    padding: 0.5rem;
    text-align: center;
}

nav a {
    color: #ffffff;
    text-decoration: none;
    margin: 0 1rem;
}

nav a:hover {
    text-decoration: underline;
}