.containerr {
    position: relative;
    text-align: center;
    color: white;
}


h2 > button > .centered {
    font-weight: bold;
	text-transform:uppercase;
    position: absolute;
    top: 50%;
    margin-left: 20%;
    font-size: 20px;
    text-shadow: 1px 1px 1px #000000;
}

    h2 > button > .centered:hover {
        color: #a1a1a1;
        /*border-bottom: 2px #e8e8e885 solid;*/
        /*border-bottom: 2px #e9ecef solid;*/
    }

.btn-link:hover {
    color: #ddd;
    text-decoration: underline;
}
.btn-link:hover > div {
    color: #ddd;
    /*text-decoration: underline;*/
    
}
#accordionExp > div {
    /*border:0px;*/
}