Smooth underline links
.item_wrap a {
line-height: 1;
display: inline-block;
color:#000;
text-decoration:none;
cursor: pointer;
}
.item_wrap a:hover {
color: #000;
-webkit-transition: .3s ease;
-moz-transition: .3s ease;
-o-transition: .3s ease;
transition: .3s ease;
}
.item_wrap a:after {
display: block;
content: "";
height: 2px;
width: 0%;
background-color: #000;
transition: width .3s ease-in-out;
}
.item_wrap a:hover:after,
.item_wrap a:focus:after {
width: 100%;
}