JSFiddle - React, Tailwind, and code Playground

HTML

<div id="assign_menu_bar">
                    <div class="in_blk">
                        <div class="ed_button"><span>Create New Assignment</span></div>
                        <div class="ed_button"><span>Copy and Create New Assignment</span></div>
                        <div class="ed_button"><span>Send for Feedback</span></div>
                        <div class="ed_button"><span>Assign to Class</span></div>
                        <div class="ed_button"><span>Delete Assignment</span></div>
                    </div>
                </div>

CSS

#assign_menu_bar{
                margin-top: 22px;
                width: 1024px;
                height: 50px;
                text-align: center;
            }
            
            .ed_button{
                background-color: #F9A11A;
                width: 120px;
                word-wrap: normal;
                height: 40px;
                text-align: center;
                display: inline-block;
                font-size: 14px;
                vertical-align: middle;
            }
            .ed_button span{
                display: block;
                margin-top: auto;
                vertical-align: middle;
                height: auto;
            }