.menu {
    display:flex;
}

.menu div {
    border: 1px solid black;
    background-color: red;
    padding:10px;
    width:80px;
}

.item {
    flex:1 ;
    font-family: 微軟正黑體;
    font-size: 12pt;
    text-align: center;
}

.item:hover{
    background-color: grey;
}

.item:hover a{
    color:lawngreen;
    font-size: 18px;
}

a {
    text-decoration:none;
    color:white;
}