.sign-in-message {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 15px;
    font-size: 1.5vh;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}
#age-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8); /* Dark transparent background */
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

/* Pop-up box */
.popup-content {
    background-color: white;
    padding: 20px;
    text-align: center;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
    color: rgb(0, 0, 0);
}


button {
    margin: 10px;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    border: none;
    border-radius: 5px;
}

#yes-button {
    background-color: green;
    color: white;
}

#no-button {
    background-color: red;
    color: white;
}

/* Initially hide the main content */
#main-content {
    display: none;
    text-align: center;
    padding: 20px;
}
body.noscroll {
    overflow: hidden;
}

body{
margin: 0;
padding: 0;
overflow-x: hidden; 
font-family: 'Noto Sans', sans-serif;
font-size: 2.5vh;
color: whitesmoke;
text-decoration: none;
}
a{
    text-decoration: none;
    color: whitesmoke;
}
.header_back{
    background-color: rgba(55, 58, 54, 0.97);
    height: 8vh;
    width: 100vw;
}
.header{
    background-color: rgba(55, 58, 54, 0.97);
    margin: auto;
    height: 8vh;
    position: fixed;
    width: 100vw;
    top: 0;
    transition: top 0.3s;
}
.align{
    display: flex; 
    align-items: center; 
}
.logo img{
    height: 7vh;
    content: url("images/newlogo_white.png"); 
}
.logo:hover img {
    content: url("images/newlogo_blue.png"); /* Image that appears on hover */
}
.logo:hover{
    color: rgb(0, 92, 186);
}
.image-container{
    width: 100vw;
    padding: 0;
    margin: 0;
}
.logo{
    margin-left: 7.7%;
    font-size: 3.7vh;
    font-family: 'Kaushan Script';
    cursor: pointer;
}
.header_links_box{
    margin-left: 2.5vw;
    height: 100%;   
}
.links_a_box{
    height: 100%;    
}
.links_a_box:hover{
    color: rgb(223, 223, 223);
    background-color: rgba(38, 39, 37, 0.97);
}
.links{
    margin-right: 0.6vw;
    margin-left: 0.6vw;
}
.link_sign_in{
    margin-left: 50vw;
}
.fill {
    padding: 4vh 8vw;
    margin-top: 8vh;
    text-align: center;
    background-color: #ffffff;
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 4vh;
    color: #333;
}

.fill h2 {
    font-size: 3vh;
    font-family: 'Kaushan Script', cursive;
    color: #2E86C1;
    margin-bottom: 2vh;
}

.fill p {
    font-size: 2.5vh;
    line-height: 1.5;
    margin-bottom: 2vh;
    color: #555;
}
.kontakty {
    background-color: rgba(55, 58, 54, 0.9);
    color: white;
    padding: 20px;
    border-radius: 10px;
    max-width: 50%;
    margin: 20px auto;
    text-align: center;
    font-size: 2vh;
}
footer{
    color: whitesmoke;
    background-color: rgba(55, 58, 54, 0.97);
    font-size: 1.3vh;
    justify-content: space-between;
    padding: 10px 20px;
}

.align_right{
    margin: 0;
}
.align_left{
    margin: 0;
}