.animation .NavContent {
display: block !important;
overflow-y : hidden;
}
.animation .NavContent[style*="display: none"] {
transition: max-height 0.3s cubic-bezier(0,1,0,1) 0s, opacity 0.2s cubic-bezier(0.42, 0, 1, 0);
/* transform: scaleY(0);
transform-origin: top;*/
max-height: 0px;
opacity: 0;
}
.animation .NavContent {
display: block;
transition: max-height 0.4s cubic-bezier(1,0,1,.04) 0s, opacity 0.25s cubic-bezier(0.4, 0, 1, 1);
max-height: 20000px;
opacity: 1;
}