Total Interest:

#interest-calculator { display: flex; flex-direction: column; } #interest-calculator label { margin-bottom: 0.5em; } #interest-calculator input[type="text"] { padding: 0.5em; border: 1px solid #ccc; border-radius: 0.25em; } #interest-calculator button[type="button"] { padding: 0.5em 1em; border: none; border-radius: 0.25em; background-color: blue; color: white; cursor: pointer; }