JSFiddle - React, Tailwind, and code Playground

HTML

<section id="first">
        <h1> Recomendações da semana </h1>
            <ul>
                <li class="reco-li">
                    <a href="http://myanimelist.net/anime/10793/Guilty_Crown" target="_blank">
                    <img src="https://s-media-cache-ak0.pinimg.com/originals/a1/e3/6b/a1e36bcb8ce179bd8cc8db28ff4ef6fb.jpg"/><h2>Guilty Crown</h2>
                    </a>
                </li>
                <li class="reco-li">
                    <a href="http://myanimelist.net/anime/11757/Sword_Art_Online" target="_blank">
                    <img src="https://s-media-cache-ak0.pinimg.com/originals/a1/e3/6b/a1e36bcb8ce179bd8cc8db28ff4ef6fb.jpg"/><h2>Item 1</h2>
                    </a>
                </li>
                <li class="reco-li">
                    <a href="http://myanimelist.net/anime/12189/Hyouka" target="_blank">
                    <img src="https://s-media-cache-ak0.pinimg.com/originals/a1/e3/6b/a1e36bcb8ce179bd8cc8db28ff4ef6fb.jpg"/><h2>Hyouka</h2>
                    </a>
                </li>
                <li class="reco-li">
                    <a href="http://myanimelist.net/anime/11887/Kokoro_Connect" target="_blank">
                    <img src="https://s-media-cache-ak0.pinimg.com/originals/a1/e3/6b/a1e36bcb8ce179bd8cc8db28ff4ef6fb.jpg"/><h2>Kokoro Connect</h2>
                    </a>
                </li>
            </ul>
    </section>

CSS

.reco-li {
    position: relative;
    float: left;
    width: 25%;
    max-height: 306px;
    margin: 0;
    cursor: pointer;
}
#first{
    width: 90%;
    max-width: 1440px;
    margin: 0 auto;
    margin-bottom: 25px;
    background-color: white;
    overflow: hidden;
}
.reco-li h2{
    width: 100%;
    margin: 0;
    background-color: rgba(0, 0, 0, 0.6);
    color: white;
    font-family: calibri;
    font-size: 18px;
    font-weight: 100;
    text-align: center;
    padding-top: 12px;
    position: absolute;
    bottom: 0;
}
#first ul{
    margin: 0;
    width: 100%;
    padding: 0;
    list-style: none;
    display: table-cell;
    border: 5px solid #000;
}

.reco-li img{
    width: 100%;
}