:root {
    --texto-claro: #f5f5f5;
    --texto-medio: #ccc;
    --texto-oscuro: #444;
    --encabezado: #cd171e;
    --encabezado-transparente: #cd171d9d;
    --dgapa: #172983;
    --dgapa-transparente: #1729839d;
    --primario: #fff;
    --secundario: #cd171e;
    --terciario-oscuro: #333;
    --terciario-medio: #dadada;
    --terciario-claro: #eaeaea;
    --cuaternario: #f7f7f7;
    --fuentes: 'Raleway', sans-serif;
    --animate-duration: 1s;
    --animate-delay: 1s;
    --animate-repeat: 1
}

*,*:before,*:after {
    box-sizing: inherit;
    margin: 0;
}
html {
    font-size: 62.5%;
    box-sizing: border-box;
}
body {
    font-size: 16px;
    font-family: var(--fuentes);
    background-color: var(--primario);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
a{
    text-decoration: none;
    color: var(--texto-oscuro);
    font-weight: 400;
}
a:hover {
    text-decoration: underline;
    color: var(--encabezado);
    font-weight: bold;
    cursor: pointer;
}
img {
    width: 100%;
    height: auto;
}
h1,h2,h3 {
    margin: 0;
    text-align: center;
    color: var(--encabezado);
    
    font-weight: 700;
}
h1 { font-size: 3.2rem; }
h2 { font-size: 2.6rem; }
h3 { font-size: 1.8rem; }
@media (min-width: 768px) {
    h1 { font-size: 4rem; }
    h2 { font-size: 3.2rem; }
    h3 { font-size: 2.4rem; }
}
ul {
    list-style: none;
}

.contenedor {
    max-width: 120rem;
    width: 100%;
    margin: 0 auto;
}
.animate {
    -webkit-animation-duration: 1s;
    animation-duration: 1s;
    -webkit-animation-duration: var(--animate-duration);
    animation-duration: var(--animate-duration);
    -webkit-animation-fill-mode: both;
    animation-fill-mode: both;
}
.fade-in {
    -webkit-animation-name: fadeIn;
    animation-name: fadeIn
}
@-webkit-keyframes fadeIn {
    0% {
        opacity: 0
    }

    to {
        opacity: 1
    }
}

@keyframes fadeIn {
    0% {
        opacity: 0
    }

    to {
        opacity: 1
    }
}