JSFiddle - React, Tailwind, and code Playground

HTML

<button class="btn exam-int-btn">Enroll</button>

CSS

.exam-int-btn {
   width: 100px;
    line-height: 2.5em;
    justify-content: center;
    padding: 0;
    font-weight: 400;
    color: #ffffff;
    background-color: #2196F3;
    text-align: center;
    border-radius: 4px;
    box-shadow: 5px 5px 15px 0 rgba(46,61,73,.15);
    transition: all .3s ease;
    border: 1px solid transparent;
    cursor: pointer;
}