body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: 'Roboto', sans-serif;
}

.main-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    background-image: url('background.png'); /* Replace with your background image */
    background-size: cover;
    background-position: center;
    color: white;
    text-shadow: 2px 2px 4px #000000;
    position: relative;
}

.main-container::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.5);
    background-blend-mode: multiply;
    z-index: -1;
}

h1 {
    font-size: 4em;
    margin-bottom: 5px;
}

h4 {
    margin-top: 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding: 20px;
    max-width: 1000px;
}

.gallery-item {
    width: 100%;
    height: 300px;
    border-radius: 10px;
    text-align: center;
    font-size: 1.5em;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    background-blend-mode: multiply;
    background-color: rgba(23, 0, 200, 0.176);
}

#app-travel {
    background-image: url(travelplanner.png);
}

/* Additional specific styles for gallery items */
/* .gallery-item-1, .gallery-item-2, .gallery-item-3, etc. */

/* Style for buttons */
.button {
    /* Button styles here */
}

/* Style for all hyperlinks */
a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s ease;
    background-color: rgba(0, 0, 0, 0.486);
}

/* Style for hyperlinks on hover */
a:hover {
    color: rgb(230, 230, 230);
    text-decoration: underline;
}

/* Responsive Design */
@media only screen and (max-width: 768px) {
    h1 {
        margin-top:4em;
        font-size: 3em; /* Smaller font size for smaller screens */
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr); /* 2 columns for medium screens */
    }
}

@media only screen and (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr; /* 1 column for small screens */
    }

    .gallery-item {
        height: 200px; /* Adjust the height for smaller screens */
    }
}