* {
    box-sizing: border-box;
}
  
body {
    margin: 0;
    padding: 0;
    font-family: 'Manrope', sans-serif;
    background-color: var(--dark-blue);
    width: 100%;
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 15%;
    
}

:root {
    /* PRIMARY COLORS */
    --light-cyan: hsl(193, 38%, 86%);
    --neon-green: hsl(150, 100%, 66%);

    /* NEUTRAL COLORS */
    --grayish-blue: hsl(217, 19%, 38%);
    --dark-grayish-blue: hsl(217, 19%, 24%);
    --dark-blue: hsl(218, 23%, 16%);

}

.container {
    width: 80%;
    background-color: var(--dark-grayish-blue);
    border-radius: 0.5em;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2em;
    text-align: center;
    padding: 3em 1em 4em;
    position: relative;
    box-shadow: 15px 15px 15px rgba(0, 0, 0, 0.1);
}

.container img:nth-child(4) {
    display: none;
}

.container div:first-child {
    color: var(--neon-green);
    text-transform: uppercase;
}

.container div:nth-child(2) {
    font-size: 1.5em;
}

button {
    background-color: var(--neon-green);
    width: 6em;
    height: 6em;
    border-radius: 50%;
    position: absolute;
    bottom: -40px;
}

@media (min-width: 768px) {
    .container {
        max-width: 35%;
    }

    .container img:nth-child(3) {
        display: none;
    }

    .container img:nth-child(4) {
        display: block;
    }
}