body, html {
    margin: 0;
    padding: 0;
    background-color: #000;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
.image-container {
    width: 100%;
    aspect-ratio: 1357 / 972;
    background-image: url('image.jpg');
    background-repeat: no-repeat;
    background-size: 100%;
    position: relative;
}

.image-container a {
    font-size: 1.3rem;
    width: 1.5rem;
    height: 1.5rem;
    transform: translate(-.75rem, -0.75rem);

    display: block;
    border: 1px solid rgba(0,0,0,0.2);
    text-align: center;
    color: #000;
    text-decoration: none;
    font-weight: bold;
    position: absolute;
    background-color: rgba(255,255,255,0.3);
    font-family: 'Times New Roman', Times, serif;
}

#card {
    width: calc(100% - 2rem);
}

.front, .back {
    width: 100%;
    height: 100%;
    background-size: cover;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.front {
    cursor: pointer;
}

.front-text-container {
    display: inline-block;
    text-shadow: 0px 0px 30px red;
    color: #fff; 
}
.front-text-container p {
    margin: 0;
}

.number {
    font-size: 7rem;
    margin: 0;
    line-height: 5rem;
    text-shadow: 0px 0px 10px red;
}
.headline {
    font-size: 2rem;
    text-shadow: 0px 0px 10px red;
}
.cta {
    font-size: 1.7rem;
    padding-top: 2rem;
    text-shadow: 0px 0px 10px red;
}

@media screen and (min-width: 600px) {
    .number {
        font-size: 15rem;
        line-height: 12rem;
    }

    .headline {
        font-size: 3rem;
    }

    .cta {
        font-size: 1.4rem;
    }
}

@media screen and (min-width: 800px) {
    .number {
        font-size: 15rem;
        margin: 0;
        line-height: 12rem;
    }
    .headline {
        font-size: 4rem;
    }
    .cta {
        font-size: 1.6rem;
        text-shadow: 0px 0px 7px red;
    }
}

@media screen and (min-width: 1100px) {
    .number {
        font-size: 30rem;
        margin: 0;
        line-height: 25rem;
    }
    .headline {
        font-size: 5rem;
    }
    .cta {
        font-size: 2rem;
        text-shadow: 0px 0px 10px red;
    }
}

.day1 {
    top: 10%;
    left: 10%;
}
.day2 {
    top: 30%;
    left: 12.5%;
}
.day3 {
    top: 44.2%;
    left: 23%;
}
.day4 {
    top: 26%;
    left: 28%;
}
.day5 {
    top: 61%;
    left: 82%;
}
.day6 {
    top: 26%;
    left: 80%;
}
.day7 {
    top: 80%;
    left: 8%;
}
.day8 {
    top: 34%;
    left: 60%;
}
.day9 {
    top: 69%;
    left: 39%;
}
.day10 {
    top: 17%;
    left: 91%;
}
.day11 {
    top: 83%;
    left: 80%;
}
.day12 {
    top: 44%;
    left: 7%;
}
.day13 {
    top: 48%;
    left: 91%;
}
.day14 {
    top: 17%;
    left: 67%;
}
.day15 {
    top: 83%;
    left: 57%;
}
.day16 {
    top: 49%;
    left: 70%;
}
.day17 {
    top: 61%;
    left: 10%;
}
.day18 {
    top: 72%;
    left: 23%;
}
.day19 {
    top: 35%;
    left: 90%;
}
.day20 {
    top: 13%;
    left: 37%;
}
.day21 {
    top: 83%;
    left: 92%;
}
.day22 {
    top: 63%;
    left: 63%;
}
.day23 {
    top: 46%;
    left: 40%;
}
.day24 {
    top: 47%;
    left: 54%;
}

.card-content {
    background-color: #efefef;
    padding: 1rem;
    border: 1px solid rgba(255,0,0,0.3);
    width: 100%;
    max-width: 90vw;
    /* box-shadow: inset 0px 0px 10px rgb(0 0 0 / 49%); */
}

h1 {
    font-family: 'Mountains of Christmas', cursive;
    color: #aa0000;
    margin-top: 0;
}

@media screen and (min-width: 400px) {
    .image-container a {
        font-size: 2rem;
        width: 2.5rem;
        height: 2.5rem;
        transform: translate(-1.25rem, -1.25rem);    
    }

    .card-content {
        padding: 2rem;
    }
}

@media screen and (min-width: 600px) {
    .image-container a {
        font-size: 3rem;
        width: 3.5rem;
        height: 3.5rem;
        transform: translate(-1.75rem, -1.75rem);
    }


}

@media screen and (min-width: 700px) {
    .image-container a {
        font-size: 4rem;
        width: 4.5rem;
        height: 4.5rem;
        transform: translate(-2.25rem, -2.25rem);
    }

    .card-content {
        max-width: 75vw;
    }
}

@media screen and (min-width: 900px) {

    .card-content {
        max-width: 50vw;
    }
}

@media screen and (min-width: 1200px) {
    #card {
        aspect-ratio: 16 / 9;
    }

}

.embedded-content {
    aspect-ratio: 12 / 9;
    width: 100%;

}

/* @import url('https://fonts.googleapis.com/css2?family=Mountains+of+Christmas:wght@400;700&display=swap');*/