bootstrap-daterangepicker.css

/*!
 * Custom styling. Removing padding when using DateRangePicker.
 */
.datepicker {
    z-index: 1151 !important;
}

.datepicker-range {
    padding: 0 !important;
    border: 0 !important;
    text-align: left !important;
}

.datepicker-from {
    border-radius: 4px !important;
    border-top-right-radius: 0 !important;
    border-bottom-right-radius: 0 !important;
    text-align: left !important;
}

.datepicker-to {
    border-radius: 4px !important;
    border-top-left-radius: 0 !important;
    border-bottom-left-radius: 0 !important;
    text-align: left !important;
}

div.datepicker-range {
    width: 100%;
}