style.css

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@600&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
}

.light-mode, .dark-mode {
    width: 100%;
    height: 100vh;
}

.header {
    width: 1000px;
    margin: auto;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.bxs-sun, .bxs-moon {
    font-size: 1.5rem;
    border: 2px solid black;
    padding: 10px;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s linear;
}

.bxs-sun:hover, .bxs-moon:hover {
    transform: translateY(-3%);
}

.show-case {
    width: 1000px;
    margin: auto;
    padding: 20px;
}

.image {
    width: 100%;
    height: auto;
    border-radius: 5px;
    margin-bottom: 10px;
}

.dark-mode {
    background-color: black;
    display: none;
}

.dark-mode h2, .dark-mode p {
    color: white;
}

.bxs-moon {
    border-color: white;
    color: white;
    background-color: black;
}

.dark-mode .image {
    box-shadow: 0 0 0.5rem rgb(26, 26, 26);
}