@charset "utf-8";
/* CSS Document */

#btn_hamburger {
  margin: 0 auto 2em !important;
  width: 40px;
  
  /* custome style */
  position: fixed;
  top: 70px;
  right: 20px;
}
#btn_hamburger a {
  position: relative;
  display: block;
  height: 30px;
  -webkit-transition: all .4s;
  transition: all .4s;
  box-sizing: border-box;
}
#btn_hamburger span {
  position: absolute;
  display: inline-block;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: #fff;
  border-radius: 2px;
  -webkit-transition: all .4s;
  transition: all .4s;
  box-sizing: border-box;
}
#btn_hamburger span:nth-of-type(1) {
  top: 0;
}
#btn_hamburger span:nth-of-type(2) {
  top: 14px;
}
#btn_hamburger span:nth-of-type(3) {
  bottom: 0;
}
#btn_hamburger span:nth-of-type(2)::after {
  position: absolute;
  top: 0;
  left: 0;
  content: '';
  width: 100%;
  height: 2px;
  background-color: #fff;
  border-radius: 2px;
  -webkit-transition: all .4s;
  transition: all .4s;
}
#btn_hamburger .active span:nth-of-type(2) {
  -webkit-transform: rotate(-45deg);
  -ms-transform: rotate(-45deg);
  transform: rotate(-45deg);
  background-color: #000;
}
#btn_hamburger .active span:nth-of-type(2)::after {
  background-color: #000;
}
#btn_hamburger .active span:nth-of-type(2)::after {
  -webkit-transform: rotate(90deg);
  -ms-transform: rotate(90deg);
  transform: rotate(90deg);
}
#btn_hamburger .active span:nth-of-type(1) {
  -webkit-transform: translateY(20px) scale(0);
  -ms-transform: translateY(20px) scale(0);
  transform: translateY(20px) scale(0);
}
#btn_hamburger .active span:nth-of-type(3) {
  -webkit-transform: translateY(-20px) scale(0);
  -ms-transform: translateY(-20px) scale(0);
  transform: translateY(-20px) scale(0);
}


#overlay {
  width: 0;
  height: 100%;
  position: absolute;
  top: 0;
  right: 0;
  background-color: rgba( 0, 0, 0, 0.7 );
  overflow: hidden;
  -webkit-transition: all .4s;
  transition: all .4s;
}
#overlay.active {
  width: 100%;
}


#side {
  min-width: 200px;
  width: 40%;
  height: 100%;
  position: absolute;
  right: 0;
  background-color: #fff;
}


#overlay {
  z-index: 1000;
}
#side {
  z-index: 2000;
}
#btn_hamburger {
  z-index: 3000;
}