/* Increase overall text size */
body {
    font-size: 18px;   /* try 18–20px */
    line-height: 1.6;
}

/* Paragraphs */
p {
    font-size: 1.05em;
}

/* Form labels */
.otree-form label {
    font-size: 1.1em;
}

/* Radio / checkbox text */
.otree-form .controls {
    font-size: 1.1em;
}

/* Buttons */
.btn {
    font-size: 1.1em;
    padding: 10px 18px;
}

/* Confetti */

#confetti-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 9999;
}

.confetti {
    position: absolute;
    top: -10px;
    width: 10px;
    height: 14px;
    opacity: 0.9;
    animation: fall 4s linear forwards;
}

@keyframes fall {
    0% {
        transform: translateY(0) rotate(0deg);
    }
    100% {
        transform: translateY(100vh) rotate(720deg);
    }
}