Underline for active menupoint won't change colour with custom CSS after update to 5.xx

[yanekblue]

After updating Lay theme to 5.x my custum CSS to underline active/hover menupoint won't change color anymore...

before y used this one (as descriped here: http://laythemeforum.com/topic/5641/underline-for-active-menupoint-won-t-change-colour-with-custom-css):
nav.laynav .current-menu-item>a span {
border-bottom-color: #b21e1f;
}

nav.laynav .menu-item>a span {
border-bottom-color: #b21e1f;
}

.no-touchdevice nav.laynav a:hover span {
border-bottom-color: #b21e1f;
}

After updating to 5.xx it don't work anymore....

Can anyone help me?
Thanks!!!

[arminunruh]

use

https://developer.mozilla.org/en-US/docs/Web/CSS/text-decoration-color

i changed it from border bottom to text decoration :D

[yanekblue]

@arminunruh OK, thanks :)