.wn-expandable-row,
.wn-expandable-sec {
    display: block;
    margin: 0 auto;
    text-align: center;
    position: relative;
    width: 100%;
    height: 0px;
    z-index: 98;
}

.wn-expandable-row i,
.wn-expandable-sec i {
    font-size: 24px;
    background: #fff;
    color: #437df9;
    border-radius: 50%;
    display: inline-block;
    cursor: pointer;
    position: absolute;
    left: 50%;
    bottom: -12px;
    margin-left: -12px;
    box-shadow: 0 3px 25px -1px rgba(0, 0, 0, 0.26);
    transition: all 0.36s ease;
}

.wn-expandable-row.wn-expanded i,
.wn-expandable-sec.wn-expanded i {
    transform: rotate(-45deg);
    -webkit-transform: rotate(-45deg);
}

.expandable-sec-text {
    position: absolute;
    display: inline-block;
    left: calc(50% + 24px);
    bottom: -12px;
    font-size: 12px;
    letter-spacing: 0.3px;
    color: #777 !important;
    padding: 3px 10px;
    background: #fff;
    line-height: 20px;
    border-radius: 3px;
    box-shadow: -2px 1px 28px -2px rgba(0, 0, 0, 0.18);
}

.expandable-sec-text:after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: calc(0% - 10px);
    width: 0;
    border-width: 5px;
    border-style: solid;
    border-color: transparent #fff transparent transparent;
}