📅  最后修改于: 2022-03-11 14:47:40.753000             🧑  作者: Mango
.sr-only {
position: absolute;
width: 1px;
height: 1px;
padding: 0;
margin: -1px;
overflow: hidden;
clip: rect(0, 0, 0, 0);
white-space: nowrap; /* added line */
border: 0;
}