This is an example of an image card layout form with hover effects, designed using HTML, CSS, and Bootstrap framework 4. Media queries have been used to increase the responsiveness of the form, whereas the fonts and images are imported to the code with their URLs. The font sizes are predefined as --font-sans: 'Rubik', sans-serif, and --font-serif: 'Cardo', serif. The image cards are placed in a grid layout. The page content is given the styles of display as grid, grid-gap as 1rem, padding as 1rem, max-width as 1024px, and font-family as var(--font-sans). The title of the card has the styles of font-size as 1.3rem, font-weight as bold, and line-height as 1.2. The card description has the styles of font-family as var(--font-serif), font-size as 1.125rem, font-style as italic, and line-height as 1.35, whereas the button is given the styles of cursor as pointer to get the hand cursor effect, margin-top as 1.5rem, padding as 0.75rem 1.5rem, font-size as 0.65rem, and text-transform as uppercase to convert the text to uppercase. The button takes the background color of lighten(black, 5%), in a hover event and outline of 1px dashed yellow, in a focus event. The image cards take a transforming effect of translateY(-50%), in a hover event. Source: https://codepen.io/hexagoncircle/pen/XWbWKwL

This is an example of a bootstrap grid layout used to display thumbnail details with hover effects, designed using CSS, HTML, and Bootstrap framework 4. The background images of the cards are imported to the code with their URLs. The number of grid items per row is defined as 3, and the gap between each item is set as 1, in CSS. The colors are predefined as primary-color: #333, secondary-color: #fff, and font-color: #fff. For the browser that does not support the grid layout, the background color is set as #00d2ff. The font family for the form is given as 'Roboto', sans-serif. The title of the form is given a style set of color as white, font-size as 30px, text-transform as uppercase to automatically convert the text to uppercase, and font-weight as 700, whereas the subtitle of the form is given the styles of font-size as 18px, and font-weight as 300. In a hover effect, the first card takes a transform effect of transformSkewScale (-45deg, 1), and a transition effect of (all 400ms cubic-bezier(0.175, 0.885, 0.32, 1.275)), whereas the second and third ones take transformSkewScale(45deg, 1), and transformSkewScale(45deg, 0) effects, respectively. Source: https://codepen.io/nikhil8krishnan/pen/jbdXdr