Вот, 12 пунктов в строке:
.flex-start {
display: flex;
flex-wrap: wrap;
flex-direction: row;
justify-content: flex-start;
align-items: center;
}
.flex-item {
display: flex;
flex: 0 1 calc(100% / 12 - 10px);
margin: 5px;
height: 100px;
background-color: blue;
overflow:hidden;
}
<div class="flex-start">
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="12-08-2021" type="text" value="12-08-2021" />
</div>
<time datetime='12-08-2021' class='icon swingable' data-editable="true">
<strong class="time-header">Dec, 2021</strong>
<span class="time-body">8</span>
<em class="time-footer">Wednesday</em>
</time>
<a class="btn btn-primary btn-vssc btn-shadow editable" data-closingdate='12-08-2021' href="/Admin/Edit">Adjust Closing Date</a>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="11-08-2021" type="text" value="11-08-2021" />
</div>
<time datetime='11-08-2021' class='icon swingable' data-editable="true">
<strong class="time-header">Nov, 2021</strong>
<span class="time-body">8</span>
<em class="time-footer">Monday</em>
</time>
<a class="btn btn-primary btn-vssc btn-shadow editable" data-closingdate='11-08-2021' href="/Admin/Edit">Adjust Closing Date</a>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="10-08-2021" type="text" value="10-08-2021" />
</div>
<time datetime='10-08-2021' class='icon swingable' data-editable="true">
<strong class="time-header">Oct, 2021</strong>
<span class="time-body">8</span>
<em class="time-footer">Friday</em>
</time>
<a class="btn btn-primary btn-vssc btn-shadow editable" data-closingdate='10-08-2021' href="/Admin/Edit">Adjust Closing Date</a>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="09-09-2021" type="text" value="09-09-2021" />
</div>
<time datetime='09-09-2021' class='icon swingable' data-editable="true">
<strong class="time-header">Sep, 2021</strong>
<span class="time-body">9</span>
<em class="time-footer">Thursday</em>
</time>
<a class="btn btn-primary btn-vssc btn-shadow editable" data-closingdate='09-09-2021' href="/Admin/Edit">Adjust Closing Date</a>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="08-09-2021" type="text" value="08-09-2021" />
</div>
<time datetime='08-09-2021' class='icon swingable' data-editable="true">
<strong class="time-header">Aug, 2021</strong>
<span class="time-body">9</span>
<em class="time-footer">Monday</em>
</time>
<a class="btn btn-primary btn-vssc btn-shadow editable" data-closingdate='08-09-2021' href="/Admin/Edit">Adjust Closing Date</a>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="07-09-2021" type="text" value="07-09-2021" />
</div>
<time datetime='07-09-2021' class='icon swingable' data-editable="true">
<strong class="time-header">Jul, 2021</strong>
<span class="time-body">9</span>
<em class="time-footer">Friday</em>
</time>
<a class="btn btn-primary btn-vssc btn-shadow editable" data-closingdate='07-09-2021' href="/Admin/Edit">Adjust Closing Date</a>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="06-08-2021" type="text" value="06-08-2021" />
</div>
<time datetime='06-08-2021' class='icon swingable' data-editable="true">
<strong class="time-header">Jun, 2021</strong>
<span class="time-body">8</span>
<em class="time-footer">Tuesday</em>
</time>
<a class="btn btn-primary btn-vssc btn-shadow editable" data-closingdate='06-08-2021' href="/Admin/Edit">Adjust Closing Date</a>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="05-10-2021" type="text" value="05-10-2021" />
</div>
<time datetime='05-10-2021' class='icon swingable' data-editable="true">
<strong class="time-header">May, 2021</strong>
<span class="time-body">10</span>
<em class="time-footer">Monday</em>
</time>
<a class="btn btn-primary btn-vssc btn-shadow editable" data-closingdate='05-10-2021' href="/Admin/Edit">Adjust Closing Date</a>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="04-08-2021" type="text" value="04-08-2021" />
</div>
<time datetime='04-08-2021' class='icon swingable' data-editable="true">
<strong class="time-header">Apr, 2021</strong>
<span class="time-body">8</span>
<em class="time-footer">Thursday</em>
</time>
<a class="btn btn-primary btn-vssc btn-shadow editable" data-closingdate='04-08-2021' href="/Admin/Edit">Adjust Closing Date</a>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="03-08-2021" type="text" value="03-08-2021" />
</div>
<time datetime='03-08-2021' class='icon swingable' data-editable="true">
<strong class="time-header">Mar, 2021</strong>
<span class="time-body">8</span>
<em class="time-footer">Monday</em>
</time>
<a class="btn btn-primary btn-vssc btn-shadow editable" data-closingdate='03-08-2021' href="/Admin/Edit">Adjust Closing Date</a>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="02-08-2021" type="text" value="02-08-2021" />
</div>
<time datetime='02-08-2021' class='icon swingable' data-editable="true">
<strong class="time-header">Feb, 2021</strong>
<span class="time-body">8</span>
<em class="time-footer">Monday</em>
</time>
<a class="btn btn-primary btn-vssc btn-shadow editable" data-closingdate='02-08-2021' href="/Admin/Edit">Adjust Closing Date</a>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="01-11-2021" type="text" value="01-11-2021" />
</div>
<time datetime='01-11-2021' class='icon swingable' data-editable="true">
<strong class="time-header">Jan, 2021</strong>
<span class="time-body">11</span>
<em class="time-footer">Monday</em>
</time>
<a class="btn btn-primary btn-vssc btn-shadow editable" data-closingdate='01-11-2021' href="/Admin/Edit">Adjust Closing Date</a>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="12-08-2020" type="text" value="12-08-2020" />
</div>
<time datetime='12-08-2020' class='icon swingable' data-editable="true">
<strong class="time-header">Dec, 2020</strong>
<span class="time-body">8</span>
<em class="time-footer">Tuesday</em>
</time>
<a class="btn btn-primary btn-vssc btn-shadow editable" data-closingdate='12-08-2020' href="/Admin/Edit">Adjust Closing Date</a>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="11-09-2020" type="text" value="11-09-2020" />
</div>
<time datetime='11-09-2020' class='icon swingable' data-editable="true">
<strong class="time-header">Nov, 2020</strong>
<span class="time-body">9</span>
<em class="time-footer">Monday</em>
</time>
<a class="btn btn-primary btn-vssc btn-shadow editable" data-closingdate='11-09-2020' href="/Admin/Edit">Adjust Closing Date</a>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="10-08-2020" type="text" value="10-08-2020" />
</div>
<time datetime='10-08-2020' class='icon swingable' data-editable="true">
<strong class="time-header">Oct, 2020</strong>
<span class="time-body">8</span>
<em class="time-footer">Thursday</em>
</time>
<a class="btn btn-primary btn-vssc btn-shadow editable" data-closingdate='10-08-2020' href="/Admin/Edit">Adjust Closing Date</a>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="09-09-2020" type="text" value="09-09-2020" />
</div>
<time datetime='09-09-2020' class='icon swingable' data-editable="true">
<strong class="time-header">Sep, 2020</strong>
<span class="time-body">9</span>
<em class="time-footer">Wednesday</em>
</time>
<a class="btn btn-primary btn-vssc btn-shadow editable" data-closingdate='09-09-2020' href="/Admin/Edit">Adjust Closing Date</a>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="08-10-2020" type="text" value="08-10-2020" />
</div>
<time datetime='08-10-2020' class='icon swingable' data-editable="true">
<strong class="time-header">Aug, 2020</strong>
<span class="time-body">10</span>
<em class="time-footer">Monday</em>
</time>
<a class="btn btn-primary btn-vssc btn-shadow editable" data-closingdate='08-10-2020' href="/Admin/Edit">Adjust Closing Date</a>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="07-09-2020" type="text" value="07-09-2020" />
</div>
<time datetime='07-09-2020' class='icon swingable' data-editable="true">
<strong class="time-header">Jul, 2020</strong>
<span class="time-body">9</span>
<em class="time-footer">Thursday</em>
</time>
<a class="btn btn-primary btn-vssc btn-shadow editable" data-closingdate='07-09-2020' href="/Admin/Edit">Adjust Closing Date</a>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="06-08-2020" type="text" value="06-08-2020" />
</div>
<time datetime='06-08-2020' class='icon swingable' data-editable="true">
<strong class="time-header">Jun, 2020</strong>
<span class="time-body">8</span>
<em class="time-footer">Monday</em>
</time>
<a class="btn btn-primary btn-vssc btn-shadow editable" data-closingdate='06-08-2020' href="/Admin/Edit">Adjust Closing Date</a>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="05-08-2020" type="text" value="05-08-2020" />
</div>
<time datetime='05-08-2020' class='icon swingable' data-editable="true">
<strong class="time-header">May, 2020</strong>
<span class="time-body">8</span>
<em class="time-footer">Friday</em>
</time>
<a class="btn btn-primary btn-vssc btn-shadow editable" data-closingdate='05-08-2020' href="/Admin/Edit">Adjust Closing Date</a>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="04-08-2020" type="text" value="04-08-2020" />
</div>
<time datetime='04-08-2020' class='icon' data-editable="false">
<strong class="time-header">Apr, 2020</strong>
<span class="time-body">8</span>
<em class="time-footer">Wednesday</em>
</time>
<a class="btn btn-danger btn-vssc btn-shadow" href="/Admin/TransferToBI">BI Transfer</a> </div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="03-09-2020" type="text" value="03-09-2020" />
</div>
<time datetime='03-09-2020' class='icon' data-editable="false">
<strong class="time-header">Mar, 2020</strong>
<span class="time-body">9</span>
<em class="time-footer">Monday</em>
</time>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="02-10-2020" type="text" value="02-10-2020" />
</div>
<time datetime='02-10-2020' class='icon' data-editable="false">
<strong class="time-header">Feb, 2020</strong>
<span class="time-body">10</span>
<em class="time-footer">Monday</em>
</time>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="01-09-2020" type="text" value="01-09-2020" />
</div>
<time datetime='01-09-2020' class='icon' data-editable="false">
<strong class="time-header">Jan, 2020</strong>
<span class="time-body">9</span>
<em class="time-footer">Thursday</em>
</time>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="12-09-2019" type="text" value="12-09-2019" />
</div>
<time datetime='12-09-2019' class='icon' data-editable="false">
<strong class="time-header">Dec, 2019</strong>
<span class="time-body">9</span>
<em class="time-footer">Monday</em>
</time>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="11-08-2019" type="text" value="11-08-2019" />
</div>
<time datetime='11-08-2019' class='icon' data-editable="false">
<strong class="time-header">Nov, 2019</strong>
<span class="time-body">8</span>
<em class="time-footer">Friday</em>
</time>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="10-08-2019" type="text" value="10-08-2019" />
</div>
<time datetime='10-08-2019' class='icon' data-editable="false">
<strong class="time-header">Oct, 2019</strong>
<span class="time-body">8</span>
<em class="time-footer">Tuesday</em>
</time>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="09-10-2019" type="text" value="09-10-2019" />
</div>
<time datetime='09-10-2019' class='icon' data-editable="false">
<strong class="time-header">Sep, 2019</strong>
<span class="time-body">10</span>
<em class="time-footer">Tuesday</em>
</time>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="08-08-2019" type="text" value="08-08-2019" />
</div>
<time datetime='08-08-2019' class='icon' data-editable="false">
<strong class="time-header">Aug, 2019</strong>
<span class="time-body">8</span>
<em class="time-footer">Thursday</em>
</time>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="07-09-2019" type="text" value="07-09-2019" />
</div>
<time datetime='07-09-2019' class='icon' data-editable="false">
<strong class="time-header">Jul, 2019</strong>
<span class="time-body">9</span>
<em class="time-footer">Tuesday</em>
</time>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="06-10-2019" type="text" value="06-10-2019" />
</div>
<time datetime='06-10-2019' class='icon' data-editable="false">
<strong class="time-header">Jun, 2019</strong>
<span class="time-body">10</span>
<em class="time-footer">Monday</em>
</time>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="05-08-2019" type="text" value="05-08-2019" />
</div>
<time datetime='05-08-2019' class='icon' data-editable="false">
<strong class="time-header">May, 2019</strong>
<span class="time-body">8</span>
<em class="time-footer">Wednesday</em>
</time>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="04-08-2019" type="text" value="04-08-2019" />
</div>
<time datetime='04-08-2019' class='icon' data-editable="false">
<strong class="time-header">Apr, 2019</strong>
<span class="time-body">8</span>
<em class="time-footer">Monday</em>
</time>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="03-08-2019" type="text" value="03-08-2019" />
</div>
<time datetime='03-08-2019' class='icon' data-editable="false">
<strong class="time-header">Mar, 2019</strong>
<span class="time-body">8</span>
<em class="time-footer">Friday</em>
</time>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="02-08-2019" type="text" value="02-08-2019" />
</div>
<time datetime='02-08-2019' class='icon' data-editable="false">
<strong class="time-header">Feb, 2019</strong>
<span class="time-body">8</span>
<em class="time-footer">Friday</em>
</time>
</div>
<div class="flex-item">
<div>
<input class="closingDate btn-shadow" data-closingdate="01-09-2019" type="text" value="01-09-2019" />
</div>
<time datetime='01-09-2019' class='icon' data-editable="false">
<strong class="time-header">Jan, 2019</strong>
<span class="time-body">9</span>
<em class="time-footer">Wednesday</em>
</time>
</div>
</div>