una/modules/boonex/credits/template/css/main.css

.sys-icon.bx-credits-prefix-icon {
    color: #334455;
}

/*--- 'Auto suggestion' popups ---*/
.ui-autocomplete.ui-front {
    z-index: 10001;
}

/*--- Bundles ---*/
.bx-credits-bundle-cnt > div {
    -webkit-flex: 0 1 auto; 
    flex: 0 1 auto;

    width: 100%;
}

.bx-credits-bp-currency {
    margin-top: 0.5rem;

    line-height: normal;
    font-size: 1rem;
    font-weight: 300;
}

.bx-credits-bp-value {
    line-height: normal;
    font-size: 2.4rem;
    font-weight: 700;
}

.bx-credits-b-buy .bx-btn {
    float: none;
    display: inline-block;
}