#astroid-header .astroid-nav>li>a::after {
content:'';
display:block;
width:0;
height:2px;
background-color:teal;
background-position-x:0;
background-position-y:0;
background-repeat:repeat;
background-attachment:scroll;
background-image:none;
background-size:auto;
background-origin:padding-box;
background-clip:border-box;
transition:width .3s;
transition-property:width;
transition-duration:.3s;
transition-timing-function:ease;
transition-delay:0;
}

#astroid-header .astroid-nav>li>a.active::after,#astroid-header .astroid-nav>li>a:hover::after {
content:'';
display:block;
width:100%;
height:2px;
background-color:teal;
background-position-x:0;
background-position-y:0;
background-repeat:repeat;
background-attachment:scroll;
background-image:none;
background-size:auto;
background-origin:padding-box;
background-clip:border-box;
transition-property:width;
transition-duration:.3s;
transition-timing-function:ease;
transition-delay:0;
}