css-of-boxes <style> .injected-text { margin-bottom: -25px; text-align: center; } .box { border-style: solid; border-color: black; border-width: 5px; text-align: center; } .yellow-box { background-color: yellow; padding: 10px; } .red-box { background-color: crimson; color: #fff; padding: 20px; } .blue-box { background-color: blue; color: #fff; padding: 20px; } </style> margin padding padding