如何最好地在固定高度的文本字段和后续输入字段之间留出空间

i'm trying to put a text field of fixed height 100px and then a subsequent input field into a page, all floated left. If i were to have two text fields placed in the page one after the other, and I wanted to provide spacing between the two fields, I would traditionally use a i'm trying to put a text field of fixed height