body {
    font-family: 'Poppins', sans-serif;
    background-color: black;
    color: white;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
h1 {
    text-align: center;
    border: 3px solid grey;
    width: 220px;
    margin: 20px auto;
    padding: 10px;
    border-radius: 15px;
    box-shadow: 0px 8px 15px rgba(0, 0, 0, 0.3);
    background-color: #1c1c1c;
    color: lightgoldenrodyellow;
}
h4 {
    color: lightgrey;
    text-align: center;
    margin-top: 20px;
    font-weight: 600;
}
p {
    font-size: 18px;
    color: lightseagreen;
    text-align: center;
    line-height: 1.8;
    padding: 0 20px;
}
#pink {
    color: lightcoral;
}
#purple {
    color: lightslategray;
}
#green {
    color: limegreen;
}
#yellow {
    color: lightgoldenrodyellow;
}
#darkblue {
    color: blue;
}
#red {
    color: red;
}
#black {
    color: black;
    background-color: aliceblue;
    width: 90%;
    max-width: 1000px;
    margin: 5px auto; 
    padding: 10px; 
    border-radius: 10px; 
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.2); 
}
footer {
    margin-top: auto;
    padding: 20px;
    background-color: #1c1c1c;
    text-align: center;
    color: lightgrey;
    font-size: 14px;
}
footer p {
    margin: 0;
}
a {
    color: inherit;
    text-decoration: underline;
}