header {
    width: 100%;
    min-height: 60px;
    background-color: #000;
    overflow: hidden;
}

.desktop-nav ul {
    margin: 0;
    display: flex;
    justify-content: flex-end;
}

.desktop-nav ul li {
    margin: 0 15px;

}

.desktop-nav .konkurss li {
    width: 100%;
    align-content: center;
    text-align: center;
}

.desktop-nav ul li a {
    text-decoration: none;
    color: #fff;
    font-weight: bold;
    text-transform: uppercase;
}

.desktop-nav ul li a:hover {
    color: #fcee21;
}

header .desktop-nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.desktop-nav img {
    width: 100%;
    display: block;
}

.desktop-nav .image-placeholder {
        width: 60%;
}


/* Mobile menu */
.mobile-nav {
    display: none;
    padding: 10px;
    align-items: center;
    justify-content: space-between;
}

.mobile-logo img {
    height: 30px;
    margin-top: 5px;
}

#mobile-menu-button {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1000;
}

#mobile-menu-button .line {
    display: block;
    width: 40px;
    height: 3px;
    background: #fff;
    margin: 8px 0;
    transition: all 0.3s ease;
}

.overlay {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    width: 300px;
    height: 100%;
    background: #000;
    z-index: 999;
    transform: translateX(100%);
    transition: transform 0.3s ease-in-out;
}

.overlay-content {
    position: relative;
    padding: 20px;
}

.close-button {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: #fff;
    font-size: 30px;
    cursor: pointer;
}

.overlay ul {
    list-style: none;
    padding: 0;
    margin: 30% 0 0 0;
}

.overlay ul li {
    margin: 10px 0;
    padding-bottom: 10px;
    border-bottom: 1px solid gray;
}

.overlay ul li a {
    text-decoration: none;
    color: #fff;
    font-weight: bold;
    text-transform: uppercase;
}

.overlay ul li a:hover {
    color: #fcee21;
}

@media screen and (max-width: 768px) {
    .desktop-nav {
        display: none!important;
    }
    .mobile-nav {
        display: flex;
    }
    #mobile-menu-button {
        display: block;
    }
    .overlay {
        display: block;
        z-index:1001;
    }
}