* {
    font-family:  Helvetica;
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

html,
body {
    height: 100%;
    background: #eceff1;
    transition: 0.3s;
}

input[type="checkbox"] {
    display: none;
}

.bi {
    font-size: 1.3rem;
    cursor: pointer;
}

.bi-moon {
    display: none;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #eceff1;
    box-shadow: 0.5px 0.5px 10px 0.5px #000;
    padding: 1rem 2rem;
    position: relative;
}

main {
    display: flex;
    justify-content: center;
}

.card {
    margin-top: 4rem;
    display: flex;
    width: 60%;
    background-color: #fff;
    box-shadow: 5px 5px 5px 0px rgba(0, 0, 0, 0.3);
}

.card-image,
.card-details{
    padding: 2rem;
    width: 50%;
}
.card-image {

    position: relative;
    background-color: #eff7fc;
}

.card-image span {
     font-size: 6rem;
     font-weight: 900;
}

.card img{
    width: 130%;
    transform: rotate(-25deg);
    position: absolute;
    right: -1rem;
    top: 10rem;
    }

.card-details h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.subtitle {
    color: #444;
    text-transform: uppercase;
    font-weight: bold;
    margin-bottom: 1rem;
}

.description {
    line-height: 1.6rem;
    margin-bottom: 2rem;
}

.price-container {
    display: flex;
    justify-content: space-between;
}

.price {
    font-weight: 900;
    font-size: 2rem;
}

.btn {
    background-color: #444;
    width: 7rem;
    height: 3rem;
    border: none;
    border-radius: 3rem;
    color: #fff;
    text-transform: uppercase;
    cursor: pointer;
}


/* Dark Theme */

.dark,
.dark header {
    background-color: #263238;
    color: #fff;
}

.dark .bi-sun {
    display: none;
}

.dark .bi-moon {
    display: block;
}

.dark .card{
    background-color: #37474f;
}

.dark .card-image {
    background-color: #273035;
}

.dark .subtitle {
    color: #67b4f3;
}

.dark .description {
    color: #2196f3;
}

.dark .btn {
    background-color: #67b4f3;
}