css 半透明背景，不影响儿童

Posted 2021-05-13

.alpha60 {
    /* Fallback for web browsers that doesn't support RGBa */
    background: rgb(255,255, 255);
    /* RGBa with 0.6 opacity */
    background: rgba(255, 255, 255, 0.6);
     /* For IE 8*/
    -ms-filter: "progid:DXImageTransform.Microsoft.gradient(startColorstr=#99FFFFFF, endColorstr=#99FFFFFF)";
}