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

* > * {
    font-family: "Poppins", cursive;
}

/* variables */
body{
    --text-light: rgba(243, 244, 246,0.9);
    --primary-dark: rgba(55, 65, 81, 1);
    --secondary-dark: rgba(55, 65, 81, 0.7);
    --bg-light: rgba(243, 244, 246,0.3);
    --bg-btn: rgba(67, 56, 202, 0.8);

    /* css style */
    background-color: var(--text-light);
}

body.dark{
    --text-light : rgba(55, 65, 81, 1);
    --primary-dark:rgba(243, 244, 246,1);
    --secondary-dark: rgba(243, 244, 246,0.3);
    --bg-btn: rgba(219, 233, 29, 0.897);
    --bg-light: rgba(45, 49, 54, 0.5);
}

p{
    margin: 0;
}

.container{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 0;    
}

.text-center{
    text-align: center;
}

.grid{
    display: grid;
    grid-template-columns: repeat(1, minmax(auto, 320px));
    row-gap: 2em;
    column-gap: 3em;
    margin: 3em 0;
}

.grid .flex{
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 4em 0;
}

.grid .icon > span{
    font-size: 4em;
    color: var(--bg-btn);
}

.primary-dark{
    color: var(--primary-dark);
}

.secondary-dark{
    color: var(--secondary-dark);
}

.bg-light{
    background-color: var(--bg-light);
    box-shadow: 1px 5px 20px rgba(55, 65, 81, 0.1);
}

/* https://codepen.io/aliceyt/pen/qBObwpZ */

input[type="checkbox"]{
    -webkit-appearance: none;
    position: relative;
    width: 80px;
    height: 40px;
    border-radius: 50px;
    outline: none;
    /* background-color: yellow; */
    background-image: url(https://i.postimg.cc/857jHw2q/Screenshot-2020-04-16-at-1-07-06-PM.png);
    background-size: cover;
}

input[type="checkbox"]::before{
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    height: 40px;
    width: 40px;
    background-color: var(--primary-dark);
    border-radius: 50px;
}

input[type="checkbox"]:checked:before{
    transform: translate(100%);
}

input[type="checkbox"]:checked{
    background-image: url(https://i.postimg.cc/Hn0nstVK/Screenshot-2020-04-16-at-1-07-19-PM.png);
}