@keyframes wave-left {
    0%   {
        transform: rotate(-10deg) scaleX(-1);
    }
    100% {
        transform: rotate(40deg) scaleX(-1);
    }
}

@keyframes wave-right {
    0%   {
        transform: rotate(10deg);
    }
    100% {
        transform: rotate(-40deg);
    }
}

@keyframes head-turn {
    0%   {
        transform: rotate(-10deg);
    }
    100% {
        transform: rotate(10deg);
    }
}

.wrapper {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.logoContainer {
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    align-items: flex-end;
}

.face {
    text-decoration: none;
    font-size: 65px;
    animation: head-turn 5s infinite alternate ease-in-out;
    transition: transform 500ms ease-in-out;
}

.face:hover {
    transform: scale(1.2) rotate(-10deg);
}

.right, .left {
    font-size: 45px;
    transition: transform 500ms ease-in-out;
}

.right {
    animation: wave-right 2s infinite alternate ease-in-out;
}

.left {
    animation: wave-left 2s infinite alternate ease-in-out;
}

.randomize {
    margin-top: 2rem;
    font-size: 1.2rem;
    padding: 0.5rem 1.5rem;
    border-radius: 8px;
    border: none;
    background: #222;
    color: #fff;
    cursor: pointer;
    transition: background 0.2s;
}

.randomize:hover {
    background: #444;
}

footer {
    margin-top: 2rem;
    color: #888;
}