* {
    box-sizing: border-box
}

:root {
    --light: whitesmoke;
    --dark: #8f0e82;
    --pink-light: #fcc0f6; 
    --highlight: #76c2e8;
    --highlight-dark: #218bc0;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Asap', sans-serif;
    background: var(--highlight);
}

.header {
    background-color: var(--light);
    padding: 2em;
    width: 100%;
    display: flex;
}

.post-container {
    padding: 1em 2em;
}

.post,
button,
img {
    -webkit-box-shadow: 2px 2px 4px 0px var(--highlight-dark); 
    box-shadow: 2px 2px 4px 0px var(--highlight-dark);
    border-radius: 5px;
}

.post {
    background: var(--light);
    padding: 1em;
    display: grid;
    grid-template-columns: 1fr minmax(50px, 400px);
    min-width: 400px;
    max-width: 700px;
    margin: 2em auto;
    color: var(--dark)
}

.content {
    display: grid;
    grid-template-rows: 20px 1fr;
    padding: 0 1em 0 0;
    color: var(--highlight-dark)
}

img {
    width: 100%;
    max-height: 300px;
}

h1 {
    color: var(--highlight-dark);
    margin: 0;
    font-size: 3rem;
}

h2 {
    margin-top: 0;
    font-size: 1.5rem;
}

button {
    cursor: pointer;
    font-family: inherit;
    border: none;
    padding: 0.6em 2em;
    font-weight: 700;
    justify-self: start;
    background-color: var(--highlight-dark);
    color: var(--light)
}

.toggle {
    height: 0;
    width: 0;
    visibility: hidden;
    margin-left: auto;
}

label {
    width: 50px;
    height: 30px;
    border-radius: 15px;
    position: relative;
    cursor: pointer;
    margin: 1em;
    background-color: var(--highlight);
}

label::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    top: 2px;
    left: 22px;
    transition: .5s;
    background-color: var(--light);
}

.toggle:checked + label {
    transform: translate(-18px);
    background-color: var(--dark);
}

.toggle:checked + label::after {
    transform: translate(-18px);
    background-color: var(--light);
}



.dark,
.dark .toggle::after {
    background-color: var(--dark);
    color: var(--light);
    transition: 3s;
}

.dark header h1 {
    color: var(--dark);
    transition: 3s;
}

.dark header label {
    color: var(--dark);
}

.dark div > div > div > h2 {
    color: var(--dark);
    transition: 3s;
}

.dark div > div > div > p {
    color: var(--dark);
    transition: 3s;
}

.dark header  {
    background-color: var(--pink-light);
    transition: 3s;
}

.dark button {
    background-color: var(--light);
    color: var(--dark);
    box-shadow: 2px 2px 4px 0px var(--dark);
    transition: 3s;
}

.dark div > div {
    -webkit-box-shadow: 2px 2px 4px 0px var(--light); 
    box-shadow: 2px 2px 4px 0px var(--light);
    transition: 3s;
}

.dark img {
    -webkit-box-shadow: 2px 2px 4px 0px var(--dark); 
    box-shadow: 2px 2px 4px 0px var(--dark);
    transition: 3s;
}

.dark footer {
    background-color: var(--pink-light);
    color: var(--dark);
    transition: 3s;
}

footer {
    background-color: var(--light);
    padding: 0.1em;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--highlight-dark)
}