body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #222;
    color: #ccc;
    transition: background 0.2s;
}

.center-text {
    font-family: sans-serif;
    font-weight: bold;
    font-size: 4vw;
    text-shadow: 0 0 20px #888;
}

body.light-mode .center-text {
    text-shadow: none;
}

img {
    width: 12vw;
    -webkit-box-shadow: 0px 0px 30px 1px rgba(238, 238, 238, 0.65);
    -moz-box-shadow: 0px 0px 30px 1px rgba(238, 238, 238, 0.65);
    box-shadow: 0px 0px 30px 1px rgba(238, 238, 238, 0.65);
    opacity: 0.8;
}

a {
    color: #ccc;
}

@media (prefers-color-scheme: dark) {
    body {
        background-color: #222;
        color: #ccc;
    }

    a {
        color: #ccc;
    }
}

body.light-mode {
    background-color: #fff;
    color: #000;
}

body.light-mode a {
    color: #000;
}

body.light-mode img {
    opacity: 1;
}

.toggle-switch {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 200px;
}

:root {
    --light: #ddd;
    --dark: #444;
}

label {
    scale: 40%;
    position: absolute;
    width: 100%;
    height: 100px;
    background-color: var(--dark);
    border-radius: 50px;
    cursor: pointer;
}

input {
    position: absolute;
    display: none;
}

.slider {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50px;
    transition: 0.3s;
}

input:checked~.slider {
    background-color: var(--light);
}

.slider::before {
    content: "";
    position: absolute;
    top: 13px;
    left: 16px;
    width: 75px;
    height: 75px;
    border-radius: 50%;
    box-shadow: inset 28px -4px 0px 0px var(--light);
    background-color: var(--dark);
    transition: 0.3s;
}

input:checked~.slider::before {
    transform: translateX(95px);
    background-color: var(--dark);
    box-shadow: none;
}