body .centrado {
    position: absolute;
    left: 0;
    top: 55px;
    width: 100%;
    height: 900px;
    background: rgba(33, 37, 41, 0.85);
    color: #fff;
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
}

body .overlay {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(33, 37, 41, 0.85);
    color: #fff;
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
        -ms-flex-direction: column;
            flex-direction: column;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
        -ms-flex-pack: center;
            justify-content: center;
  }

body .centrado {
    position: absolute;
    left: 0;
    top: 55px;
    width: 100%;
    height: 900px;
    background: rgba(33, 37, 41, 0.85);
    color: #fff;
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
}

.centrado>h3 {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    margin-top: 1.5rem;
    line-height: 1;
    color: #6D6E6E;
}

.modulos-contenedor {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(1, 1fr);
    margin-top: 2rem;
}

.modulo-card {
    background-color: #ECEEEE;
    color: #6D6E6E;
    text-align: center;
    padding: 2rem;
    border-radius: .25rem;
    position: relative;
    box-shadow: 0 0 1px rgba(0, 0, 0, .125), 0 1px 3px rgba(0, 0, 0, .2);
    transition: all .3s linear;
}

.modulo-card:hover {
    cursor: pointer;
    color: rgb(33, 37, 41);
    box-shadow: 0 0 2px rgba(0, 0, 0, .425), 0 2px 4px rgba(0, 0, 0, .5);
}

.modulo-card:hover .icon i {
    font-size: 3.2rem;
}

.modulo-card .icon i {
    font-size: 3rem;
    position: absolute;
    left: 0;
    right: 0;
    transition: all .3s linear;
}

.modulo-card-info {
    margin-top: 3.5rem;
}

.modulo-card-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: .05rem;
}

.modulo-card-info p {
    margin-bottom: 0;
}

@media (min-width: 576px) {
    .modulos-contenedor {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .modulos-contenedor {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 1200px) {
    .modulos-contenedor {
        grid-template-columns: repeat(4, 1fr);
    }
}