body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    background-image: url(/wallpaper/wallpaper2.jpg?v=2);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow-y: auto;
}
@media (max-width: 767px) and (orientation: landscape) {
    body {
        overflow: auto; 
        height: auto; 
        width: 100%;
    }
}
@media (max-width: 767px) {
    body {
        background-image: url(/wallpaper/wallpaper2.jpg?), url(/wallpaper/wallpaper2.jpg);
    }
}

.button-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    padding: 10px 0;
    background-color: transparent;
    z-index: 1001; 
}

.menu {
    display: none;
    background-color: #333;
    position: absolute;
    top: 50px;
    left: 0;
    right: 0;
    padding: 10px;
    text-align: center;
    z-index: 1001; 
}

.menu ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

.menu ul li {
    margin: 10px 0;
}

.menu ul li a {
    text-decoration: none;
    color: white;
    font-size: 18px;
}

.menu-toggle {
    background-color: #007bff;
    color: white;
    font-size: 18px;
    padding: 10px 20px;
    border: none;
    cursor: pointer;
    z-index: 1001; 
}

@media (min-width: 768px) {
    .menu-toggle {
        display: none; 
    }

    .menu {
        display: block;
        position: static; 
        background-color: transparent;
    }

    .menu ul {
        display: flex;
        justify-content: space-around;
    }

    .menu ul li {
        margin: 0;
    }
}

.button {
    display: inline-block;
    padding: 10px 20px;
    font-size: 16px;
    color: white;
    background-color: #007bff;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    margin: 10px;
}

.button:hover {
    background-color: #0056b3;
}

.centered-text1,
.centered-text2 {
    position: absolute;
    left: 50%;
    text-align: center;
    transform: translate(-50%, -40%);
}

.centered-text1 {
    top: 15%;
}

.centered-text2 {
    width: 40vw;
    height: 10vw;
    background-color: rgba(115, 149, 115, 0.664);
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    text-align: center;
    position: absolute;
    top: 40%;
    left: 50%;
    font-size: 1.5vw;
    transform: translate(-50%, -50%);
    text-align: center;
}
@media (max-width: 950px) and (orientation: landscape){
    .centered-text1 {
        font-size: 2vw; 
        height: 5vw;
}
}
@media (max-width: 950px) and (orientation: landscape){
    .centered-text2 {
        font-size: 1vw; 
        height: 5vw;
}
}
@media (max-width: 950px) and (orientation: portrait) {
    .centered-text2 {
        font-size: 4vw; 
        height: 35vw;

    }
}
.bottom-text {
    width: 100vw;
    height: 3vw;
    background-color: rgba(43, 49, 56, 0.747);
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 1.5vw;  
    text-align: center;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%)
}
    @media (max-width: 768px) {
        .bottom-text {
            font-size: 4vw; 
            height: 5vw;
    }
}
    .gif-image {
    position: absolute;
    bottom: 100px;
    left:50px;
    width: 400px;
    height: 250px;
    z-index: 1000;
}
@media (max-width: 950px) and (orientation: landscape) {
    .bottom-text {
        font-size: 2vw; 
        height: 5vw;
}
}
@media (max-width: 767px) and (orientation: landscape) {
    .bottom-text {
        font-size: 2vw; 
        height: 5vw;
}
}
@media (max-width: 767px) and (orientation: portrait) {
    .gif-image {
        top: 110vw;
        width: 50vw;
        height: 30vw;
        transform: translate(+25%, -10%);
    }
}
@media (max-width: 950px) and (orientation: portrait) {
    .gif-image {
        top: 120vw;
        width: 50vw;
        height: 30vw;
        transform: translate(+25%, -10%);
    }
}
@media (max-width: 950px) and (orientation: landscape) {
    .gif-image {
        top: 25vw;
        width: 20vw;
        height: 15vw;
        transform: translate(-10%, -10%);
    }
}
@media (max-width: 767px) and (orientation: landscape) {
    .gif-image {
        top: 30vw;
        width: 25vw;
        height: 20vw;
        transform: translate(-10%, -10%);
    }
}
footer {
    position: absolute;
    bottom: 0;
    width: 100%;
    text-align: center;
    margin-bottom: 10px;
}

mark {
    background-color: lightblue;
    color: darkblue;
}