.fakeimg {
    height: 200px;
    background: #aaa;
  }

  /* side bar menu  */
  <style>
body {font-family: "Lato", sans-serif;}

.sidebar {
  height: 100%;
  width: 160px;
  position: fixed;
  z-index: 1;
  top: 0;
  left: 0;
  background-color: #111;
  overflow-x: hidden;
  padding-top: 16px;
}

.sidebar a {
  padding: 6px 8px 6px 16px;
  text-decoration: none;
  font-size: 20px;
  color: #818181;
  display: block;
}

.sidebar a:hover {
  color: #f1f1f1;
}

@media screen and (max-height: 450px) {
  .sidebar {padding-top: 15px;}
  .sidebar a {font-size: 18px;}
}
/*-- bave bar css--*/

/* Add this CSS to your stylesheet */
.navbar {
    position: relative;
}

.navbar-toggler {
    border: none;
    outline: none;
}

.navbar-toggler-icon {
    background-color: #fff; /* Customize the icon color */
}

.ml-auto {
    margin-left: auto !important;
}

@media (max-width: 576px) {
    .ml-auto {
        margin-left: 0 !important;
        margin-top: 5px; /* Add some top margin to the button for better spacing on small screens */
    }
}