.sidebar {
    position: fixed;
    margin-top: 0;
    width: 240px;
    height: 93.5%;
    z-index: 1;
    top: 50px;
    left: 0;
    color: #a5a5a5;
    background-color: #333333;
    border-right: 1px solid rgba(100, 100, 100, 0.5);
    border-bottom: 1px solid rgba(100, 100, 100, 0.5);
    box-shadow: 0 0 30px rgba(97, 96, 96, 0.3);
    overflow-x: hidden;
    transition: all 0.3s ease;
    padding-top: 15px;
    justify-content: center;
    align-items: center;
  }
  
  .sidebar a {
    display: block;
    padding: 8px 3px 8px 15px;
    text-decoration: none;
    font-size: 16px;
    color: #bebebe;
    display: block;
    transition: 0.4s;
  }

  .sidebar a i {
    margin-right: 16px;
  }
  
  .active, .sidebar a:hover {
    color: #b1b1b1;
    background: #575757;
    padding-left: 20px;
  }

 .sidebar header {
top: 100%;
left: 50%;
width: 100%;
padding: 0px 25%;
background: #29292900;
align-items: center;
z-index: 99;
}

.sidebar header a {
top: 100%;
left: 1px;
width: 100%;
padding: 0px 0px 0px 0px;
font-size: 20px;
align-items: center;
z-index: 99;
}

.sidebar header p {
font-size: 10px;
}

hr.solid {
border-top: 0.1px solid #bbb;
padding-top: 0;
padding-bottom: 0;
}

  .btn {
width: 150px;
position: fixed;
bottom: 0%;
left: 0%;
height: 45px;
background: #212121;
box-shadow: 0 0 30px rgba(0, 0, 0, .2);
border-right: 1px solid rgba(100, 100, 100, 0.5);
outline: none;
border-radius: 0px;
cursor: pointer;
font-size: .8em;
color: #bbb;
font-weight: 500;
transition: 1s ease;
}

.obtn {
width: 48px;
position: fixed;
bottom: 0%;
left: 0%;
height: 45px;
background: #212121;
box-shadow: 0 0 30px rgba(0, 0, 0, .2);
border-right: 1px solid rgba(100, 100, 100, 0.5);
outline: none;
border-radius: 0px;
cursor: pointer;
font-size: .8em;
color: #bbb;
font-weight: 500;
transition: all .5s;
}

.btn i {
margin-right: 20px;
}
  
  .btn:hover {
    color: #fff;
    background-color: #424242;
  }

  .obtn:hover {
    color: #fff;
    background-color: #424242;
  }
  
  /* On smaller screens, where height is less than 450px, change the style of the sidenav (less padding and a smaller font size) */
  @media screen and (max-height: 450px) {
    .sidebar {padding-top: 15px;}
    .sidebar a {font-size: 10px;}
  }