Objective: Create html/css inside a flex box in other div's.
The special thing about it, they should work like as there are no rows 
But this is how it looks 

So there is my problem: I have rows and there is space between the posts. I will also leave my by now created html and css files.
.flex-container {
    display: flex;
    background-color: yellow;
    flex-wrap: wrap;
    justify-content: space-around;
    align-items: start;
    align-content: flex-start;
}
.item {
    background-color: green;
    flex-basis: 500px;
}
.post-grid {
    display: grid;
    background-color: green;
    flex-basis: 500px;
    grid-template-columns: repeat(10, 50px);
}
.post-col-1 {
    grid-template-columns: 1 / 2;
    border: solid 0.5px black;
}
.post-col-2 {
    display: grid;
    grid-column: span 2;
    grid-template-columns: 10% 10%;
    border: solid 0.5px black;
}
.post-col-2 p{
    width: 100px;
    word-break: break-all;
}
.post-col-2 a{
    width: 100px;
    word-break: break-all;
}
.post-col-3 {
    display: grid;
    grid-column: span 3;
    grid-template-columns: 10% 10% 10%;
    border: solid 0.5px black;
}
.post-col-3 p{
    width: 150px;
    word-break: break-all;
}
.post-col-3 a{
    width: 150px;
    word-break: break-all;
}
.post-col-4 {
    display: grid;
    grid-column: span 4;
    grid-template-columns: 10% 10% 10% 10%;
    border: solid 0.5px black;
}
.post-col-4 p{
    width: 200px;
    word-break: break-all;
}
.post-col-4 a{
    width: 200px;
    word-break: break-all;
}
.post-col-5 {
    display: grid;
    grid-column: span 5;
    grid-template-columns: 10% 10% 10% 10% 10%;
    border: solid 0.5px black;
}
.post-col-5 p{
    width: 250px;
    word-break: break-all;
}
.post-col-5 a{
    width: 250px;
    word-break: break-all;
}
.post-col-6 {
    display: grid;
    grid-column: span 6;
    grid-template-columns: 10% 10% 10% 10% 10% 10%;
    border: solid 0.5px black;
}
.post-col-6 p{
    width: 300px;
    word-break: break-all;
}
.post-col-6 a{
    width: 300px;
    word-break: break-all;
}
.post-col-7 {
    display: grid;
    grid-column: span 7;
    grid-template-columns: 10% 10% 10% 10% 10% 10% 10%;
    border: solid 0.5px black;
}
.post-col-7 p{
    width: 350px;
    word-break: break-all;
}
.post-col-7 a{
    width: 350px;
    word-break: break-all;
}
.post-col-8 {
    display: grid;
    grid-column: span 8;
    grid-template-columns: 10% 10% 10% 10% 10% 10% 10% 10%;
    border: solid 0.5px black;
}
.post-col-8 p{
    width: 400px;
    word-break: break-all;
}
.post-col-8 a{
    width: 400px;
    word-break: break-all;
}
.post-col-9 {
    display: grid;
    grid-column: span 9;
    grid-template-columns: 10% 10% 10% 10% 10% 10% 10% 10% 10%;
    border: solid 0.5px black;
}
.post-col-9 p{
    width: 450px;
    word-break: break-all;
}
.post-col-9 a{
    width: 450px;
    word-break: break-all;
}
.post-col-10 {
    display: grid;
    grid-column: span 10;
    grid-template-columns: 10% 10% 10% 10% 10% 10% 10% 10% 10% 10%;
    border: solid 0.5px black;
}
.post-col-10 p{
    width: 500px;
    word-break: break-all;
}
.post-col-10 a{
    width: 500px;
    word-break: break-all;
}
img {
    display: block;
    width: 100%;
}
.post-header {
    height: 50px;
}
p {
    display: block;
    width: 100%;
}<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <link rel="stylesheet" href="style.css">
    <title>Test-Preview</title>
</head>
<body>
    <div class="flex-container">
        <div class="post-grid">
            <div class="post-header post-col-10">
                <div class="post-profile-picture post-col-1">
                    <img src="../Pictures/PB-pic1.jpg">
                </div>
                <div class="post-blogger-name post-col-7">
                    <a href="index.html">Blogger-Name</a>
                </div>
                <div class="post-col-2">
                    <p>Follow</p>
                </div>
            </div>
            <div class="post-content post-col-10">
                <img class="post-col-10" src="../Pictures/Content-pic1.png">
            </div>
            <div class="post-text post-col-10">
                <p>Texte die der Blogger unter dem Bild verfassen kann.</p>
            </div>
            <div class="post-tags post-col-10">
                <a href="index.html">Post-Tags</a>
            </div>
            <div class="post-footer post-col-10">
                <div class="post-flag post-col-1">
                    <p>flag</p>
                </div>
                <div class="post-date post-col-5">
                    <p>00.00.0000</p>
                </div>
                <div class="post-share post-col-1">
                    <p>share</p>
                </div>
                <div class="post-comment post-col-1">
                    <p>comment</p>
                </div>
                <div class="post-like post-col-1">
                    <p>like</p>
                </div>
                <div class="post-save post-col-1">
                    <p>save</p>
                </div>
            </div>
        </div>
        <!----->
        <div class="post-grid">
            <div class="post-header post-col-10">
                <div class="post-profile-picture post-col-1">
                    <p>hello</p>
                </div>
                <div class="post-blogger-name post-col-7">
                    <a href="index.html">Blogger-Name</a>
                </div>
                <div class="post-col-2">
                    <p>Follow</p>
                </div>
            </div>
            <div class="post-content post-col-10">
                <img class="post-col-10" src="../Pictures/Content-pic2.jpg">
            </div>
            <div class="post-footer post-col-10">
                <div class="post-flag post-col-1">
                    <p>flag</p>
                </div>
                <div class="post-date post-col-5">
                    <p>00.00.0000</p>
                </div>
                <div class="post-share post-col-1">
                    <p>share</p>
                </div>
                <div class="post-comment post-col-1">
                    <p>comment</p>
                </div>
                <div class="post-like post-col-1">
                    <p>like</p>
                </div>
                <div class="post-save post-col-1">
                    <p>save</p>
                </div>
            </div>
        </div>
        <!---->
        <div class="post-grid">
            <div class="post-header post-col-10">
                <div class="post-profile-picture post-col-1">
                    <img src="../Pictures/PB-pic1.jpg">
                </div>
                <div class="post-blogger-name post-col-7">
                    <a href="index.html">Blogger-Name</a>
                </div>
                <div class="post-col-2">
                    <p>Follow</p>
                </div>
            </div>
            <div class="post-content post-col-10">
                <img class="post-col-10" src="../Pictures/Content-pic1.png">
            </div>
            <div class="post-text post-col-10">
                <p>Texte die der Blogger unter dem Bild verfassen kann.</p>
            </div>
            <div class="post-tags post-col-10">
                <a href="index.html">Post-Tags</a>
            </div>
            <div class="post-footer post-col-10">
                <div class="post-flag post-col-1">
                    <p>flag</p>
                </div>
                <div class="post-date post-col-5">
                    <p>00.00.0000</p>
                </div>
                <div class="post-share post-col-1">
                    <p>share</p>
                </div>
                <div class="post-comment post-col-1">
                    <p>comment</p>
                </div>
                <div class="post-like post-col-1">
                    <p>like</p>
                </div>
                <div class="post-save post-col-1">
                    <p>save</p>
                </div>
            </div>
        </div>
        <!---->
        <div class="post-grid">
            <div class="post-header post-col-10">
                <div class="post-profile-picture post-col-1">
                    <img src="../Pictures/PB-pic1.jpg">
                </div>
                <div class="post-blogger-name post-col-7">
                    <a href="index.html">Blogger-Name</a>
                </div>
                <div class="post-col-2">
                    <p>Follow</p>
                </div>
            </div>
            <div class="post-content post-col-10">
                <img class="post-col-10" src="../Pictures/Content-pic1.png">
            </div>
            <div class="post-text post-col-10">
                <p>Texte die der Blogger unter dem Bild verfassen kann.</p>
            </div>
            <div class="post-tags post-col-10">
                <a href="index.html">Post-Tags</a>
            </div>
            <div class="post-footer post-col-10">
                <div class="post-flag post-col-1">
                    <p>flag</p>
                </div>
                <div class="post-date post-col-5">
                    <p>00.00.0000</p>
                </div>
                <div class="post-share post-col-1">
                    <p>share</p>
                </div>
                <div class="post-comment post-col-1">
                    <p>comment</p>
                </div>
                <div class="post-like post-col-1">
                    <p>like</p>
                </div>
                <div class="post-save post-col-1">
                    <p>save</p>
                </div>
            </div>
        </div>
         <!----->
         <div class="post-grid">
            <div class="post-header post-col-10">
                <div class="post-profile-picture post-col-1">
                    <p>hello</p>
                </div>
                <div class="post-blogger-name post-col-7">
                    <a href="index.html">Blogger-Name</a>
                </div>
                <div class="post-col-2">
                    <p>Follow</p>
                </div>
            </div>
            <div class="post-content post-col-10">
                <img class="post-col-10" src="../Pictures/Content-pic2.jpg">
            </div>
            <div class="post-footer post-col-10">
                <div class="post-flag post-col-1">
                    <p>flag</p>
                </div>
                <div class="post-date post-col-5">
                    <p>00.00.0000</p>
                </div>
                <div class="post-share post-col-1">
                    <p>share</p>
                </div>
                <div class="post-comment post-col-1">
                    <p>comment</p>
                </div>
                <div class="post-like post-col-1">
                    <p>like</p>
                </div>
                <div class="post-save post-col-1">
                    <p>save</p>
                </div>
            </div>
        </div>
    </div>
</body>
</html>Can someone help me? Or is it even possible to do so, or maybe do you don't recommend it at all?
Thanks for helping ^^
 
     
    