ul {
list-style-type: none;
width: 120px;
}
ul li a {
text-decoration: none;
color: black;
font-family: Arial, Helvetica, sans-serif;
}
ul li {
padding: 4px;
background-color: #8c8c8c;
}
ul li:hover {
background-color: red;
transition: 0.6s;
}
ul :nth-child(1) {
background-color: red...