@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;500&display=swap');
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    width: 100%;
    height: 100vh;
    font-family: 'Montserrat', sans-serif;
    background: #eeeeee;
    color: #333333;
    transition: all 0.5s ease-in;
}

header {
    height: 25vh;
}

article {
    height: 60vh;
}

footer {
    height: 15vh;
}


header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
article, footer {
    display: grid;
    gap: 15px;
    justify-items: center;
    align-content: center;
    text-align: center;
}

body > * {
    padding: 0 15px;
}

a {
    text-decoration: none;
    font-size: 20px;
    color: #ffffff;
    padding: 10px 25px;
    background: teal;
    border-radius: 25px;
    transition: all 0.5s ease-in;
}

#toggle {
    cursor: pointer;
    font-size: 25px;
    width: 50px;
    height: 50px;
    border: 0;
    background: transparent;
    position: relative;
}

#toggle::before {
    content: '🔅';
}



/**        On Dark Mode
**********************************/

.dark {
    color: #ffffff;
    background: #333333;
}
.dark a {
    background: #37d796;
}

.dark #toggle::before {
    content: '🔆';
}