a:link.exFieldsetExpandBtn {
    display: inline;
    bottom: -1rem;
    left: auto;
    right: auto;
    min-width: 2rem;
    width: auto ;
    height: 2rem;
    border: 0;
    border-radius: 1rem;
    position: absolute;
    text-align: center;
    vertical-align: middle;
    padding: 0.3rem;
    box-shadow: 0 0.25rem 0.5rem rgba(0,0,0,0.1);
    color: #01a9f4 !important;
    background-color: #fff !important;
    transition: all .2s;
}

.custom_height {
    height: 1px;
}