@font-face {
    font-family: "pixelatedFont";
    src: url("fonts/Pixel.ttf") format("truetype");
}

html,
body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: "Arial", sans-serif;
    background-color: #202833;
    background-image: url(camouflage-background.avif);
}

.topnav {
    background-color: #0b0c10;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.topnav h1 {
    color: #3690ea;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
}

.tabs {
    display: flex;
    justify-content: center;
    margin-top: 30px;
}

.tab {
    padding: 10px 20px;
    background-color: #3690ea;
    color: white;
    cursor: pointer;
}

.tab.active {
    background-color: #5fa8ef;
    color: white;
}

.button {
    padding: 10px 20px;
    background-color: #ff702b;
    color: white;
    cursor: pointer;
    border: 0;
}

.content {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.number-container,
.months-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.number-content,
.months-content {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 10em;
    height: 10em;
    font-size: 24px;
    font-weight: bold;
    background-color: #3690ea;
    color: #feffff;
    cursor: pointer;
    background-size: 47px;
    background-image: url(75d8feb7.png);
}

.months-content {
    width: 100%;
    min-width: 270px;
    height: 270px;
    white-space: nowrap;
    font-size: 50px;
}

.number-content {
    font-size: 7em;
    width: 160px;
    height: 160px;
}

.bottom {
    cursor: pointer;
    font-size: 18px;
    font-weight: bold;
    margin-top: 5px;
    width: 100%;
    display: flex;
    background-color: #3690ea;
    justify-content: center;
    color: #feffff;
}

.pixelated {
    font-family: "pixelatedFont", sans-serif;
}

.btc-container {
    position: fixed;
    bottom: 0;
    right: 10%;
    transform: translateX(10%);
    width: fit-content;
    height: fit-content;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    animation: riseAndFade 4s ease forwards;
}

.btc-text {
    font-size: 20px;
    color: gray;
}

@keyframes riseAndFade {
    0% {
        transform: translateX(10%) translateY(0);
        opacity: 0;
    }

    50% {
        transform: translateX(10%) translateY(-23.5%);
        opacity: 1;
    }

    100% {
        transform: translateX(10%) translateY(-54.9%);
        opacity: 0;
    }
}