生成字体加粗字体18内距10背景由左往右由红到绿色渐变添加下边框并出现阴影css样式代码并放入gui样式类中

.gui { font-weight: bold; font-size: 18px; padding: 10px; background: linear-gradient(to right, #ff0000, #00ff00); border-bottom: 2px solid #000000; box-shadow: 2px 2px 2px #888888; }