My settings for Anki. This include 15 sec timer and left align

Back Template

{{Front}}
<hr>
{{Back}}

Front Template

{{Front}}
<br/>
<br/>
<span class="timer" id="s2"><span>
<script>
function countdown( elementName, minutes, seconds )
{
    var element, endTime, hours, mins, msLeft, time;
 
    function twoDigits( n )
    {
        return (n <= 9 ? "0" + n : n);
    }
 
    function updateTimer()
    {
        msLeft = endTime - (+new Date);
        if ( msLeft < 1000 ) {
            element.innerHTML = "Countdown's Over!";
        } else {
            time = new Date( msLeft );
            hours = time.getUTCHours();
            mins = time.getUTCMinutes();
            element.innerHTML = (hours ? hours + ':' + twoDigits( mins ) : mins) + ':' + twoDigits( time.getUTCSeconds() );
            setTimeout( updateTimer, time.getUTCMilliseconds() + 500 );
        }
    }
 
    element = document.getElementById( elementName );
    endTime = (+new Date) + 1000 * (60*minutes + seconds) + 500;
    updateTimer();
}
 
countdown("s2", 0,15 );//2nd value is the minute, 3rd is the seconds
</script>

Style Anki

.card {
 font-family: arial;
 font-size: 20px;
 text-align: left;
 color: black;
 background-color: white;
}

Rules before making Anki cards
https://www.supermemo.com/en/articles/20rules