h1 {
    text-align: left;
}

.app-page-header {

}

.app-gallery { 
    display: flex; 
    gap: 10px; 
    overflow-x: auto; 
}

.app-gallery-picture {
    width: 150;
    height: 150;
}

.app-controls-table {
    border-collapse: collapse;
    width: 100%;
    max-width: 500px;
}

.app-controls-table th, .app-controls-table td {
    border: 1px solid hsl(270, 22%, 96%);
    max-width: 20px;
    padding: 10px 15px;
    text-align: left;
    color: hsl(0 0% 98%);
    font-family: Arial, Helvetica, sans-serif;
}

.app-controls-table th {
    background-color: hsl(270, 46%, 20%);
}

.app-controls-table tr:nth-child(odd) {
    background-color: hsl(270, 46%, 20%);
}
.app-download-btn { 

}