* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    background-color: lightgray;
}


nav{
    align-items: center;
}
.nav_links{
    width: 100%;
    display: flex;
}
.nav_links li{
    line-height: 10vh;
    display: table;
    list-style: none;
    text-align: center;
    
    width: 25%;
}

.nav_links li a{
    margin:auto;
    display: block;
    color:black;
    letter-spacing: 3px;
    text-transform: uppercase;
    font-weight: bold;
    
}
.nav_links li:nth-child(1n) > a{
    background-color: #0e9aa7;
}
.nav_links li:nth-child(2n) > a{
    background-color: #f6cd61;
}
.nav_links li:nth-child(3n) > a{
    background-color: #fe8a71;
}
.nav_links li:nth-child(4n) > a{
    background-color: #3da4ab;
}