@alifd/next/es/core/base/_accessibility.scss

.#{$css-prefix}sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
    top: 0;
    margin: -1px;
}