.wave-text span {
    display: inline-block;
    animation: wave 1.2s ease-in-out infinite;
}

@keyframes wave {
    0%, 100% { transform: translateY(0);}
    50% { transform: translateY(-20px);}
}

.wave-text span:nth-child(1) { animation-delay: 0.0s; }
.wave-text span:nth-child(2) { animation-delay: 0.1s; }
.wave-text span:nth-child(3) { animation-delay: 0.2s; }
.wave-text span:nth-child(4) { animation-delay: 0.3s; }
.wave-text span:nth-child(5) { animation-delay: 0.4s; }
.wave-text span:nth-child(6) { animation-delay: 0.5s; }
.wave-text span:nth-child(7) { animation-delay: 0.6s; }