styles.css

@import url('https://fonts.googleapis.com/css2?family=Cabin:ital,wght@0,400;0,500;0,600;0,700;1,400;1,700&family=Open+Sans:ital,wght@0,300;0,400;0,800;1,300;1,800&display=swap');

* {
    box-sizing: border-box;
    animation-duration: 0.5s;
    transition:0.5s;
}

h1,h2,h3,h4,h5,h6 {
    font-family: Cabin, Verdana, Geneva, Tahoma, sans-serif;
}
body {
    background: rgb(43, 43, 46);
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 100vw;
    height: 100vh;
    align-items: center;
    overflow: hidden;
}

body div {
    background: rgba(24,23,23);
    padding: 20px;
    border-radius: 5px;
    text-align: center;
    box-shadow: 0 10px 20px 1px rgba(0,0,0,0.5);
    width: 600px;
    animation: float-down 1s;
}

body div * {
    margin:10px;
}

body div img {
    height: 150px;
}

body div h3 {
    font-size: 50px;
    color: white;
    font-family: Open Sans, Arial, Helvetica, sans-serif;
    margin:0;
}

body div p {
    margin:0;
    color: white;
    font-size: 30px;
    font-weight: 100;
    font-family: Open Sans, Arial, Helvetica, sans-serif;
    text-shadow: 0 0 20px white;
    white-space: pre;
    font-style: oblique;
}

body div h1 {
    font-size: 60px;
    color: white;
    white-space: pre;
}

#timer {
    animation: opacity 1s alternate infinite ease-in-out 0.5s;
}

@keyframes float-down {
    from {transform: translateY(-100px); opacity:0;}
}

@keyframes opacity {
    30% {transform: scale(1.0)}
    50% {transform: scale(1.05)}
    70% {transform: scale(1.0)}
}