.sidebar {
    position: fixed;
    top: 0px;
    left: 0;
    bottom: 0;
    width: 250px;
    /*background: #343957;*/
    /* font-size: 14px; */
    z-index: 100;
    overflow: auto;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    -webkit-transition: width 300ms ease-in-out;
    transition: width 300ms ease-in-out;
     box-shadow: 0 5px 20px rgba(0, 0, 0, 0.50);
}

/*    Humberger icon
--------------------------*/

.hamburger .line {
   background-color: #252525;
   display: block;
   height: 3px;
   margin: 4px auto;
   width: 22px;
   -webkit-transition: all 0.3s ease-in-out;
   transition: all 0.3s ease-in-out;
}


.hamburger.is-active .line:nth-child(1), .hamburger.is-active .line:nth-child(3) {
    width: 10px;
    height: 3px;
}

.hamburger.is-active .line:nth-child(2) {
    -webkit-transform: translateX(-5px);
    transform: translateX(-5px);
    width: 20px;
    height: 3px;
}

.hamburger.is-active .line:nth-child(1) {
    -webkit-transform: translateY(3px) rotate(45deg);
    transform: translateY(3px) rotate(45deg);
}

.hamburger.is-active .line:nth-child(3) {
    -webkit-transform: translateY(-3px) rotate(-45deg);
    transform: translateY(-3px) rotate(-45deg);
}