JSFiddle - React, Tailwind, and code Playground

HTML

<div class="cursos">
    <div>
        <h3>Cursos X</h3>
        <hr>
        <p> Total de Alunos : 32 </p>
        <p> Professor : Paulo Junqueira </p>
        <p> Data de Iniicio : 20/01/2016 </p>
        <p> Data de Encerramento : 12/11/2017 </p>
        <span>EDITAR</span>

    </div>
</div>

CSS

.cursos div {
    background-color: #00cc99;
    width: calc(46% - 4% - 16px);
    margin: 2%;
    float: left;
    color: white;
    padding: 2%;
    border: 4px solid #ddd;
    text-shadow: #00cc99 1px 1px 12px;
    border-radius: 5px;
    position: relative;
    cursor: pointer;
}

.cursos p {
    font-family: "open sans";
}

.cursos hr {
    border: 1px solid #fff;
}

.cursos span {
    background-color: rgba(0, 0, 0, 0.5);
    position: absolute;
    top: 0;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 0px;
	width: 100%;
	overflow: hidden;
	transition: height 1s;
}

.cursos:hover span{
	height: 100% !important;
}