圆角 CSS

    .ui-corner-all, .ui-corner-bottom, .ui-corner-right, .ui-corner-br {
        border-bottom-right-radius: 4px;
    }
    .ui-corner-all, .ui-corner-bottom, .ui-corner-left, .ui-corner-bl {
        border-bottom-left-radius: 4px;
    }
    .ui-corner-all, .ui-corner-top, .ui-corner-right, .ui-corner-tr {
        border-top-right-radius: 4px;
    }
    .ui-corner-all, .ui-corner-top, .ui-corner-left, .ui-corner-tl {
        border-top-left-radius: 4px;
    }