body{font-family:Arial,sans-serif;margin:0;padding:0}.product{border:1px solid #ccc;padding:10px;margin-bottom:10px}.btn{border:1px solid grey;padding:4px;border-radius:6px}.product{display:flex;flex-direction:column;margin-bottom:20px}@media (min-width: 768px){.product{flex-direction:row;justify-content:space-between}}