@keyframes sound-wave {
    0% {
        transform: scale(0.5);
        opacity: 0;
    }
    50% {
        transform: scale(1.0);
        opacity: 1;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

.sound-wave-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    opacity: 0.3;
}

.sound-wave {
    position: absolute;
    border-radius: 50%;
    border: 2px solid #252525;
    width: 100%;
    height: 100%;
    transform: scale(0.5);
    opacity: 0;
    animation: sound-wave 2s infinite linear;
}

.sound-wave:nth-child(2) {
    animation-delay: 0.7s;
}

.sound-wave:nth-child(3) {
    animation-delay: 1.4s;
}
