ul.accordion {
    list-style: none;
    padding-left: 20px;
}

ul.accordion a{
    text-decoration: none;
    font-size: 16px;
}

ul.accordion a:hover{
    color: #009ccd;
}

ul.accordion li {
    font-weight: bold;
    margin-bottom: 1rem;
    position: relative;
}

ul.accordion li > ul {
    display: none;
    margin-top: 24px;
}

ul.accordion li > ul >li {
    font-weight: normal;
    margin-bottom: 24px;
}

ul.accordion span.arrow {
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    right: 0px;
    top: 0px;
    width: 28px;
    height: 28px;
    display: table;
    text-align: center;
    vertical-align: middle;
    border: 2px solid #000000;
    border-radius: 50%;
}

ul.accordion span.arrow.down:after {
    content: "\002B";
}

ul.accordion span.arrow.up:after {
    content: "\2212"; 
}