.collapsible-button {
    cursor: pointer;

    position: relative;
}
.collapsible-button:hover {
    text-decoration: underline;
    color: #0000ee;
}



.collapsible-button.show-expanded::before {
    /* content: "-"; */
    content: "-  ";
    position: absolute;
    /* left: -60px; */
    left: -20px;
}

.collapsible-button.show-collapsed::before {
    /* content: "+"; */
    content: "+  ";
    position: absolute;
    /* left: -60px; */
    left: -20px;
}



.expanded {
    display: block;
}
.collapsed {
    display: none;
}