@ebay/skin/dist/date-textbox/date-textbox.css

Skin - CSS modules that represent the brand eBay

:root {
    --bubble-shadow:
        0 2px 7px rgba(0, 0, 0, 0.15), 0 5px 17px rgba(0, 0, 0, 0.2);
}
.date-textbox {
    --calendar-month-width: 311px;
    display: inline-block;
}

.date-textbox > .textbox + .textbox {
    margin-left: var(--spacing-100);
}

.date-textbox__popover {
    background-color: var(
        --calendar-background-color,
        var(--color-background-elevated)
    );
    border-radius: var(--spacing-200);
    box-shadow: var(--bubble-shadow);
    margin-left: calc(var(--spacing-100) * -1);
    padding: var(--spacing-200);
    position: absolute;
    z-index: 1;
}

.date-textbox__popover[hidden] {
    display: none;
}

@media only screen and (max-width: 512px) {
    .date-textbox__popover {
        left: 0;
        margin-left: 0;
    }
}