.menu {
    transition:all 0.5s;
}
.header_menu_fixed{
  position:fixed;
  top: 58px;
  left: 0;
  right: 0;
  width: 100%;
  z-index:123;
}

.more-padding {
    padding:20px 8px !important;
}

.hide_menu_down {
    -webkit-animation: moveDown .5s;
}
.hide_menu_up {
    -webkit-animation: moveUp .5s;
}
@-webkit-keyframes moveDown {
    0% { -webkit-transform: translateY(-40px) }
}
@-webkit-keyframes moveUp {
    0% { -webkit-transform: translateY(40px) }
}