<span class="pattern left"> <img src="../static/image/download_pattern_left.png" data-cfsrc="../static/image/download_pattern_left.png"/></span>
csscss
/* 使2個背景圖變灰色*/ .pattern{ -webkit-filter: grayscale(100%); -moz-filter: grayscale(100%); -ms-filter:grayscale(100%); -o-filter: grayscale(100%); filter: grayscale(100%); filter:gray; }