.link_boton {
    transition: 0.5s;
    margin: 5px;
}
    .link_boton a {
        font-weight: bold;
        padding: 40px 0px;
        display: block;
        text-align: center;
        text-decoration: none;
        transition: 0.5s;
    }
        .link_boton a:hover {
            font-weight: bold;
            padding: 40px 0px;
            display: block;
            text-align: center;
            text-decoration: none;
            /*font-size: calc(100% + 4pt);*/
        }

.link_boton_gris {
    background-color: #c1c1c1;
    border: 2px solid black;
}
    .link_boton_gris:hover {
        background-color: black;
        border: 2px solid black;
    }
    .link_boton_gris a {
        color: black;
    }
    .link_boton_gris a:hover {
        color: white;
    }

.link_boton_azul {
    background-color: #78d1f3;
    border: 2px solid #023297;
}
    .link_boton_azul:hover {
        background-color: #138bf1;
        border: 2px solid #023297;
    }
    .link_boton_azul a {
        color: black;
    }
        .link_boton_azul a:hover {
            color: white;
        }

.link_boton_verde {
    background-color: #00938d;
    border: 2px solid #004240;
}
    .link_boton_verde:hover {
        background-color: #01625e;
        border: 2px solid #004240;
    }
    .link_boton_verde a {
        color: white;
    }
        .link_boton_verde a:hover {
            color: white;
        }

.link_boton_rojo {
    background-color: #ff8686;
    border: 2px solid #8e0000;
}
    .link_boton_rojo:hover {
        background-color: #ff1e1e;
        border: 2px solid #8e0000;
    }
    .link_boton_rojo a {
        color: black;
    }
        .link_boton_rojo a:hover {
            color: white;
        }

.link_boton_amarillo {
    background-color: #fcf493;
    border: 2px solid #ada002;
}
    .link_boton_amarillo:hover {
        background-color: #efdf18;
        border: 2px solid #ada002;
    }
    .link_boton_amarillo a {
        color: black;
    }
        .link_boton_amarillo a:hover {
            color: black;
        }

.link_boton_morado {
    background-color: #c699ff;
    border: 2px solid green;
}
    .link_boton_morado:hover {
        background-color: #7d16ff;
        border: 2px solid green;
    }
    .link_boton_morado a {
        color: black;
    }
        .link_boton_morado a:hover {
            color: white;
        }