style.css

@import url(https://fonts.googleapis.com/css?family=Poppins:100,100italic,200,200italic,300,300italic,regular,italic,500,500italic,600,600italic,700,700italic,800,800italic,900,900italic);
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
    user-select: none;
}
body {
    display: grid;
    place-items: center;
    min-height: 100vh;
    background-color: #0e0e0e;
}

.container {
    background-image: linear-gradient(to top right, #ffa500, #ff0000);
    padding: 3rem;
    border-radius: 1rem;
    position: relative;
    box-shadow: 0 0 1rem #ff0000;
}
h2 {
    font-size: 3rem;
    color: #fff;
    text-shadow: 0 0 .5rem rgba(0, 0, 0, .5);
}
.btns {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 2rem;
}
button {
    font-size: 1.2rem;
    padding: .5rem 1rem;
    background-color: rgba(0, 0, 0, .5);
    border: .15rem solid rgba(255, 255, 255, 1);
    color: #fff;
    cursor: pointer;
}