html,
body {
    height: 100%;
    margin: 0;
    cursor: pointer;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    background-color: #fff9f9;
    font-family: 'Poppins', sans-serif;
    color: #222;
    user-select: none;
}

#head_div {
    max-width: 90%;
}

#header {
    font-size: 2.8rem;
    white-space: nowrap;
    overflow: hidden;
    border-right: 3px solid #7fc9a9;
    width: 0;
    animation: typing 4s steps(35, end) forwards, blink-caret 0.75s step-end infinite;
    margin-bottom: 1rem;
    font-weight: 700;
}

#subtitle {
    font-size: 1.25rem;
    color: #666;
    font-weight: 400;
}

@keyframes typing {
    from {
        width: 0
    }

    to {
        width: 100%
    }
}

@keyframes blink-caret {

    0%,
    100% {
        border-color: transparent
    }

    50% {
        border-color: #7fc9a9
    }
}