theigorunya,
<!DOCTYPE html>
<html>
<head>
<title>Untitled</title>
<meta charset="utf-8">
<style type="text/css">
.navsrc a {
display: block;
min-width: 110px;
width: auto;
height: 55px;
line-height: 55px;
text-align: center;
margin-right: 5px;
color: #313131;
position: relative;
background-color: transparent;
}
.navsrc a:after {
content: "";
display: block;
background-image: url("https://avatars.mds.yandex.net/get-pdb/245485/b6551463-bbc4-4868-b530-9aa241c08fe1/s1200");
position: absolute;
opacity: 0;
width: 100%;
height: 100%;
transition: all 1.2s;
top:0;
left: 0;
z-index: -1;
background-repeat: no-repeat;
background-size: cover;
}
.navsrc a:hover:after {
opacity: 1;
}
</style>
</head>
<body>
<div class="navsrc"><a href="">test</a></div>
</body>
</html>