ul.square {
    list-style-type: square;
}

  .accordion {
background-color: #eee;
color: #444;
cursor: pointer;
padding: 18px;
width: 100%;
border: none;
text-align: left;
outline: none;
font-size: 15px;
transition: 0.4s;
}

.active, .accordion:hover {
background-color: #ccc; 
}

.panel {
padding: 0 18px;
display: none;
background-color: white;
overflow: hidden;
}