body {
padding: 0;
margin: 0;
display: flex;
align-items: center;
justify-content: center;
background-color: rgb(36, 36, 36);
color: #fff;
font-family: 'Poppins', sans-serif !important;
}
/* MAIN CONTAINERS */
.pp-tos {
position: absolute;
top: 10px;
text-decoration: none;
color: #fff;
font-size: 14px;
}
.pp, .tos, .pp-tos > a {
text-decoration: none;
color: #fff;
}
#main-container {
position: absolute;
display: grid;
grid-template-columns: 320px 340px 280px;
grid-template-rows: 70px 146px 302px 250px;
grid-gap: 14px;
top: 16%;
}
#server-list {
width: 280px;
height: 462px;
display: flex;
grid-column: 3;
grid-row: 2;
}
#user-menu {
width: 340px;
height: 462px;
grid-column: 2;
grid-row: 2;
}
#profile-menu {
width: 320px;
height: 146px;
grid-column: 1;
grid-row: 2;
}
#skin-list {
width: 320px;
height: 302px;
grid-column: 1;
grid-row: 3;
}
.main-boxes {
border-radius: 3px;
background-color: rgba(20, 20, 20, 0.918);
box-shadow: 0 0 4px 1px #0a0a0a;
}
<!DOCTYPE HTML>
<html lang="en">
<head>
<meta charset="utf-8" />
<title>Naxis.io</title>
<meta name="description" content="A game where you eat other players and get bigger to eat even more players" />
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
<meta name="viewport" content="width=480, initial-scale=2.0, user-scalable=1">
<link rel="shortcut icon" href="img/Xlogo.png" />
<link href="https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700&display=swap" rel="stylesheet">
<link href="https://fonts.googleapis.com/css2?family=Poppins:wght@300&display=swap" rel="stylesheet">
<link rel="stylesheet" href="style.css"/>
<link rel="stylesheet" href="Fontello/css/fontello.css"/>
<script src="https://code.iconify.design/1/1.0.7/iconify.min.js"></script>
<script src="main.js" async></script>
<script src="aria label.js" async></script>
<script src="modal.js" async></script>
</head>
<body oncontextmenu="return false" ncontextmenu="return false">
<div class="pp-tos">
<a href="#" target="_blank">
<span class="pp">Privacy Policy</span></a>
<span class="line">|</span>
<a href="#" target="_blank">
<span class="tos">Terms of Service</span></a>
</div>
<div id="main-container">
<div class="socials">
<a href="https://discord.gg/jTzJuHfhdZ" target="_blank">
<div class="dc">
<i class="iconify" data-icon="fa-brands:discord"></i>
<div class="dc-ins">Official Discord</div>
</div></a>
<a href="https://discord.gg/4eYGwvXw5q" target="_blank">
<div class="tournament">
<i class="icon-award"></i>
<div class="tournament-ins">Tournament</div>
</div></a>
<a href="https://www.youtube.com/channel/UCRjwCE_lmKW2lxToBQso66A" target="_blank">
<div class="yt">
<i class="icon-youtube-play"></i>
<div class="yt-ins">YouTube</div>
</div></a>
<a href="#" target="_blank">
<div class="skins">
<i class="icon-picture"></i>
<div class="skins-ins">Skins</div>
</div></a>
<div style="clear:both;"></div>
</div>
<div id="server-list" class="main-boxes">
<div class="tabs">
<div role="tablist" aria-label="Entertainment">
<button type="button" id="eu" class="eu" role="tab" aria-selected="true" aria-controls="nils-tab">EU</button>
<button type="button" id="na" class="na" role="tab" aria-selected="false" aria-controls="agnes-tab" tabindex="-1">NA</button>
<button type="button" id="as" class="as" role="tab" aria-selected="false" aria-controls="complex-complex" tabindex="-1" data-deletable="">AS</button>
</div>
<div tabindex="0" role="tabpanel" id="nils-tab" aria-labelledby="nils">
<div class="list">
<div class="servers">Instant 1</div>
</div>
<div class="list">
<div class="servers">Instant 2</div>
</div>
<div class="list">
<div class="servers">Instant 3</div>
</div>
</div>
<div tabindex="0" role="tabpanel" id="agnes-tab" aria-labelledby="agnes" class="is-hidden">
<p>FFA 1<p>
<p>FFA 2<p>
<p>FFA 3<p>
<p>FFA 4<p>
<p>FFA 5<p>
</div>
<div tabindex="0" role="tabpanel" id="complex-complex" aria-labelledby="complex" class="is-hidden">
<p>Selffeed 1<p>
<p>Selffeed 2<p>
<p>Selffeed 3<p>
<p>Selffeed 4<p>
<p>Selffeed 5<p>
</div>
</div>
</div>
<div id="user-menu" class="main-boxes">
<div class="adve">
Advertisement
</div>
<div id="ad1"></div>
<input type="text" name="Skin-URL" maxlength="31" placeholder="Skin URL" placeholder="#ffffff;" />
<input type="text" name="Nickname" maxlength="20" placeholder="Nickname" />
<input type="text" name="Tag" maxlength="20" placeholder="Tag" />
<button type="button" name="buttonplay" onclick="startGame()">
<i class="icon-play"></i>
<span class="play-ins">Play</span>
</button>
<button type="button" name="buttonspectate">
<i class="icon-eye"></i>
</button>
<button class="modal-btn">
<i class="icon-cog-outline"></i>
</button>
<div class="modal-bg">
<div class="modal">
<span class="modal-close">
<i class="icon-cancel"></i>
</span>
</div>
</div>
</div>
<div id="skin-list" class="main-boxes" class="scrollbar"></div>
<div id="profile-menu" class="main-boxes">
<div class="login-ins">Login to your account with Discord to save your in-game progress.</div>
<div style="clear:both;"></div>
<button name="button-login" onclick="DiscordNewWindow()">
<i class="iconify" data-icon="fa-brands:discord"></i>
<div class="login-button-ins">
Login with Discord
</div>
</button>
</div>
<div id="ad2"></div>
</div>
</body>
</html>
Dodałem display: flex; align-items: center; justify-content: center; do body ale nie działa
