.structure-container {
    z-index: 20;
    height: 50px;
    position: absolute;
    top: 4em;
    right: 0em;

}

.structureContent {
    background-color: white;
    opacity: 0.3;
    transition-duration: 1s;
}

.structureContent:hover {
    opacity: 0.8;
    transition-duration: 1s;
}