style.css

body,
h1,
h2,
h3,
h4,
h5 {
    font-family: "Poppins", sans-serif
}

body {
    font-size: 16px;
}

.w3-half img {
    margin-bottom: -6px;
    margin-top: 16px;
    opacity: 0.8;
    cursor: pointer
}

.w3-half img:hover {
    opacity: 1
}

.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;
  }
  
  .accordion:after {
    content: '\002B';
    color: #777;
    font-weight: bold;
    float: right;
    margin-left: 5px;
  }
  
  .active:after {
    content: "\2212";
  }
  
  .panel {
    padding: 0 18px;
    background-color: white;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s ease-out;
  }