html {
    box-sizing: border-box;
    font-size: 62.5%;
}

*,
*:before,
*:after {
    box-sizing: inherit;
}

body {
    /*Cargar fuentes de Google Fonts aquí*/
    font-family: 'Open Sans', sans-serif;
    font-size: 1.6rem;
    line-height: 2;
    transition: background-color .5s;
    background-color: #2e2ef8;
    /*  background-color: #cbcbcf93;
*/
    color: #ffffff;
    /*    color: #4a5a67;*/
    opacity: 0.8;
}


/*Globales*/

.contenedor {
    max-width: 120rem;
    margin: 0 auto;
    width: 95%;
}

h1,
h2,
h3,
h4 {
    font-family: 'PT Sans', sans-serif;
}

h1 {
    font-size: 3.8rem;
}

h2 {
    font-size: 3.0rem;
    line-height: 1.5rem;
}

h3 {
    font-size: 2.2rem;
}

h4 {
    font-size: 1.5rem;
    line-height: 1.5rem;
}

img {
    width: 4rem;
    height: 4rem;
    max-width: 100%;
    border-radius: 50%;
}


/*Distancia entre los iconos de los enlaces 
en la barra de navegacion dentro del body */

.barra {
    display: block;
    margin: auto;
}


/*sombra de los enlaces 
de la barra de naveracion dentro del body*/

.sombra {
    -webkit-box-shadow: -10px 0px 13px -7px #000000, 10px 0px 13px -7px #000000, 5px 5px 15px 5px rgba(74, 90, 103, 0);
    box-shadow: -10px 0px 13px -7px #000000, 10px 0px 13px -7px #000000, 5px 5px 15px 5px rgba(74, 90, 103, 0);
}


/*Utilidades*/

.centrar-texto {
    text-align: center;
}

.centrar-columnas {
    justify-content: center;
}

.no-margin {
    margin: 0;
}

.btn {
    display: block;
    text-align: center;
    padding: 1rem 1rem;
    margin: 2rem 0;
    color: #ffffff;
    /*color: #4a5a67;*/
    text-decoration: none;
    font-family: 'PT Sans', sans-serif;
    font-weight: 400;
    text-transform: none;
    font-size: 1.8rem;
    flex: 0 0 100%;
    outline: none;
    transition: 0.3s;
    border-radius: 3rem;
}

.btn:hover {
    cursor: pointer;
}

.entrada-blog .imagenes {
    width: 14rem;
    height: 14rem;
}


/*menu desplegable */

.navegacion .sidenav {
    height: 70%;
    width: 0;
    position: fixed;
    z-index: 1;
    top: 0;
    right: 0;
    background-color: #ffffff02;
    overflow-x: hidden;
    transition: 0.5s;
    padding-top: 50px;
    border-radius: 0 0 0 1rem;
}

.navegacion .sidenav a {
    padding: 8px 8px 8px 32px;
    text-decoration: none;
    font-size: 1.8rem;
    color: #818181;
    display: block;
    transition: 0.3s;
    line-height: 1.8rem;
}

.navegacion .sidenav a:hover {
    color: #f1f1f1;
}

.navegacion .sidenav .closebtn {
    position: absolute;
    top: 0;
    right: 25px;
    font-size: 3rem;
    margin-right: 50px;
}

.navegacion #main1 {
    transition: margin-right .5s;
    padding: 1.8rem;
}

@media screen and (max-height: 450px) {
    .sidenav {
        padding-top: 15px;
    }
    .sidenav a {
        font-size: 18px;
    }
}

@media (min-width: 768px) {
    .btn {
        display: inline-block;
        flex: 0 0 auto;
    }
}

.btn-primario {
    background-color: #2e2ef8;
    /*  background-color: #cbcbcf93;*/
}

.btn-primario:hover {
    background-color: #0b0ba8;
    color: #ffffff;
}

.btn-secundario {
    background-color: #2e2ef8;
    color: #ffffff;
}

.btn-secundario:hover {
    background-color: #0b0ba8;
    color: #ffffff;
}

@media (min-width: 768px) {
    .grid {
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
    }
    .columnas-2 {
        flex: 0 0 calc(16.66% - 1rem);
    }
    .columnas-3 {
        flex: 0 0 calc(25% - 1rem);
    }
    .columnas-4 {
        flex: 0 0 calc(33.3% - 1rem);
    }
    .columnas-6 {
        flex: 0 0 calc(50% - 1rem);
    }
    .columnas-8 {
        flex: 0 0 calc(66.6% - 1rem);
    }
    .columnas-10 {
        /*((100/12)*10)/*/
        flex: 0 0 calc(83.3% - 1rem);
    }
    .columnas-12 {
        flex: 0 0 100%;
    }
}