.loader-wrapper {
    position: relative;
    width: 100px;
    height: 60px;
    margin: 20px auto;
}

.loader-wrapper .packman::before {
    content: '';
    position: absolute;
    width: 50px;
    height: 25px;
    background-color: #000000;
    border-radius: 100px 100px 0 0;
    transform: translate(-50%, -50%);
    animation: pac-top 0.5s linear infinite;
    transform-origin: center bottom;
}

.loader-wrapper .packman::after {
    content: '';
    position: absolute;
    width: 50px;
    height: 25px;
    background-color: #000000;
    border-radius: 0 0 100px 100px;
    transform: translate(-50%, 50%);
    animation: pac-bot 0.5s linear infinite;
    transform-origin: center top;
}

@keyframes pac-top {
    0% { transform: translate(-50%, -50%) rotate(0); }
    50% { transform: translate(-50%, -50%) rotate(-30deg); }
    100% { transform: translate(-50%, -50%) rotate(0); }
}

@keyframes pac-bot {
    0% { transform: translate(-50%, 50%) rotate(0); }
    50% { transform: translate(-50%, 50%) rotate(30deg); }
    100% { transform: translate(-50%, 50%) rotate(0); }
}

.dots .dot {
    position: absolute;
    top: 8px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #000000;
}

.dots .dot:nth-child(1) { left: 90px; animation: dot-stage1 0.5s infinite; }
.dots .dot:nth-child(2) { left: 60px; animation: dot-stage1 0.5s infinite; }
.dots .dot:nth-child(3) { left: 30px; animation: dot-stage1 0.5s infinite; }
.dots .dot:nth-child(4) { left: 10px; animation: dot-stage2 0.5s infinite; }

@keyframes dot-stage1 {
    0% { transform: translate(0, 0); }
    100% { transform: translate(-24px, 0); }
}

@keyframes dot-stage2 {
    0% { transform: scale(1); }
    5%, 100% { transform: scale(0); }
}