body,h1,h2,h3,h4,h5,h6 {font-family: "Raleway", sans-serif}
body, html {
    height: 100%;
    line-height: 1.8;
    background-color: PaleTurquoise;
}

.w3-bar .w3-button {
    padding: 16px;
}

/* Style the button that is used to open and close the collapsible content */
.collapsible {
    background-color: #eee;
    color: #444;
    cursor: pointer;
    padding: 18px;
    width: 100%;
    border: none;
    text-align: left;
    outline: none;
    font-size: 15px;
}
  
/* Add a background color to the button if it is clicked on (add the .active class with JS), and when you move the mouse over it (hover) */
.active, .collapsible:hover {
    background-color: #ccc;
}
  
/* Style the collapsible content. Note: hidden by default */
.content-2017 {
    padding: 0 18px;
    display: none;
    overflow: hidden;
    background-color: #f1f1f1;
}

.collapsible:after {
  content: '\02795'; /* Unicode character for "plus" sign (+) */
  font-size: 13px;
  color: white;
  float: right;
  margin-left: 5px;
}

.active:after {
  content: "\2796"; /* Unicode character for "minus" sign (-) */
}