@Rasidha shared color fix for menu items under line
.sp-megamenu-parent > li::after {background: #A12829;}
About Animation orange > red vine, use also that in Custom CSS area:
0% {
filter: drop-shadow(-10px -10px 0px #f8f8f8) drop-shadow(-1px -1px 0px rgba(161,40,41, 0.6)) drop-shadow(-10px -10px 0px #f8f8f8) drop-shadow(-1px -1px 0px rgba(161,40,41, 0.6)) drop-shadow(-10px -10px 0px #f8f8f8) drop-shadow(-1px -1px 0px rgba(161,40,41, 0.6));
}
25% {
filter: drop-shadow(-10px -10px 0px #f8f8f8) drop-shadow(-1px -1px 0px rgba(161,40,41, 0.6)) drop-shadow(-10px -10px 0px #f8f8f8) drop-shadow(-1px -1px 0px rgba(161,40,41, 0.6)) drop-shadow(-10px -10px 0px #f8f8f8) drop-shadow(-1px -1px 0px rgba(161,40,41, 0.6));
}
50% {
filter: drop-shadow(0px 0px 0px #f8f8f8) drop-shadow(0px 0px 0px rgba(161,40,41, 0.6)) drop-shadow(-10px -10px 0px #f8f8f8) drop-shadow(-1px -1px 0px rgba(161,40,41, 0.6)) drop-shadow(-10px -10px 0px #f8f8f8) drop-shadow(-1px -1px 0px rgba(161,40,41, 0.6));
}
75% {
filter: drop-shadow(0px 0px 0px #f8f8f8) drop-shadow(0px 0px 0px rgba(161,40,41, 0.6)) drop-shadow(0px 0px 0px #f8f8f8) drop-shadow(0px 0px 0px rgba(161,40,41, 0.6)) drop-shadow(-10px -10px 0px #f8f8f8) drop-shadow(-1px -1px 0px rgba(161,40,41, 0.6));
}
100% {
filter: drop-shadow(0px 0px 0px #f8f8f8) drop-shadow(0px 0px 0px rgba(161,40,41, 0.6)) drop-shadow(0px 0px 0px #f8f8f8) drop-shadow(0px 0px 0px rgba(161,40,41, 0.6)) drop-shadow(0px 0px 0px #f8f8f8) drop-shadow(0px 0px 0px rgba(161,40,41, 0.6));
}