.link{
color: #fff;
font-family: 'Raleway', sans-serif;
font-size: 22px;
font-weight: 500;
text-transform: capitalize;
padding: 0 10px;
display: inline-block;
position: relative;
transition: all 0.5s ease 0s;
}
.link:hover,
.link:focus{
color: #fff;
}
.link span{
mix-blend-mode: difference;
display: block;
}
.link:before{
content: '';
background: #000;
width: 52%;
height: 100%;
position: absolute;
top: 0;
left: 0;
transition: all 0.45s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}
.link:hover:before{ width: 100%; }
@media only screen and (max-width: 767px){
.link{ margin-bottom: 30px; }
}