.contenedor{
    position: relative;
    display: inline-block;
    text-align: left;
}
.centrado{
    position: absolute;
    top: 50%;
    left: 10%;
    transform: translate(-50%, -50%);
    color: orange;
    font-size: 12px;
    text-shadow: black 0.1em 0.1em 0.2em
}