style.css

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    font-family: 'Lato', sans-serif;
    color: #f0f8ff;
    background-color: #333;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.container {
    width: 90%;
    max-width: 350px;
    padding: 1rem;
    background-color: #222;
    text-align: center;
    border-radius: 1rem;
    
    display: flex;
    flex-direction: column;
}

.container .top-box {
    margin-bottom: 1rem;
}

.container h1 {
    font-size: 1.4rem;
    padding: 0.55rem 0;
    word-spacing: 0.35rem;
}

.container h1 i {
    color: #7fffd4;
}

.container .counter-boxes {
    margin-top: 1rem;
    padding-bottom: 0.55rem;
    display: flex;
    justify-content: space-around;
}

.container .counter-boxes .box {
    font-size: 6rem;
    padding: 0 1rem;
    background-color: #111;
    border: 2px solid transparent;
    border-radius: 1rem;
}

.container .counter-boxes .percent-box {
    font-size: 6rem;
    padding: 0 0.5rem;
}


button {
    background-color: #fff;
    font-family: 'Lato', sans-serif;
    font-weight: 600;
    word-spacing: 2px;
    margin-top: 2rem;
    padding: 0.5rem 0.75rem;
    border: none;
    outline: none;
    border-radius: 1rem;
    cursor: pointer;
}