.sidebar {
    height: 100%;
    width: 0;
    position: fixed;
    z-index: 1;
    top: 0;
    left: 0;
    background-color: #fff;
    overflow-x: hidden;
    transition: 0.5s;
    padding-top: 20px; 
    box-shadow: 5px 0 5px -5px #333;
  }
  .sidebar .closebtn {
    position: absolute;
    top: 0;
    right: 25px;
    font-size: 20px;
    margin-left: 50px;
    color: #f39c12;
  }
  #body_right_side {
    transition: margin-left .5s;
    padding: auto;
    box-sizing: border-box;
    overflow-x: hidden;
   
  }

.custom_button{
    color: #fff;
    background-color: #f39c12;
    border-color: #f39c12;
}