So you can tweak the positional difference between the placeholder text and value simply by tweaking the padding or line-height using that pseudo-element selector: input[type=text] { padding:4px; } input[type=text]::-webkit-input-placeholder { padding-top:5px; } Or whatever.
Identifying and describing action-reaction force pairs is a simple matter of identifying the two interacting objects and making two statements describing who is pushing on whom and in what direction. For example, consider the interaction between a baseball bat and a baseball.
A reaction force is the force applied to a beam or other structure when it rests against. something. In this tutorial we are only going to examine the reactions to the loads acting. on a beam resting on simple supports as shown in the diagram. The loads are point loads. The rests are knife edges.