body {
    font-family: system-ui, sans-serif;
    text-align:center;

}
#feedback {
    font-size: 400%;
    margin-top:0.5rem; font-weight:700;
}

#feedback.correct {
    color: #a8ff60;
}

#feedback.incorrect {
    color:#c00;
}

#main_harf {
    color: #a8ff60;
    margin: auto;
    margin-bottom: 50px;
}

.main_trans {
    font-size: 300%;
}

.main_harf {
    font-size: 2000%;
}

html {
    background-color: #1e1e1e;
}

.trans_btn {
    background-color: #3a3a3a;
    color: white;
    width: 24%;
    height: 100px;
    border: 1px solid #5a5a5a;
    border-radius: 3px;
    font-family: 'Inter', sans-serif;
    font-size: 175%;
    margin: 5px;
    vertical-align: top;      /* align tops, not baselines */
    display: inline-block;    /* ensure inline-block behavior */
}

.trans_btn:hover {
    background-color: #4a4a4a;
}