@charset "utf-8";
/* CSS Document */
body{
    padding: 0;
    margin: 0;
}

nav{
    padding: 0;
    margin: 0;
}

ul{
    display: grid;
    grid-template-columns: 25% 25% 25% 25%;
    height: 40px;
    padding: 0;
}

li{
    border-style: ridge;
    position: relative;
    list-style: none;
    transition: all 0.3s ease;
}

a{
    text-decoration-line: none;
    position: absolute;
    margin-top: 8px;
    margin-left: 35%;
}
li:hover{
    background: silver;
}

article{
    display: flex;
}

.v{
    width: 33%;
    height: 250px;
}

footer{
    background: silver;
}