html,body,h1,h2,h3,h4,h5,h6 {
    font-family: "Roboto", sans-serif;
}

.w3-sidebar {
  z-index: 3;
  width: 250px;
  top: 43px;
  bottom: 0;
  height: inherit;
}

.w3-loader {
    border: 16px solid #f3f3f3;
    border-radius: 50%;
    border-top: 16px solid #2196F3;
    border-bottom: 16px solid #2196F3;
    width: 120px;
    height: 120px;
    -webkit-animation: spin 2s linear infinite;
    animation: spin 2s linear infinite;
}
  
@-webkit-keyframes spin {
    0% { -webkit-transform: rotate(0deg); }
    100% { -webkit-transform: rotate(360deg); }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}