body {
    margin: 0;
    padding: 0;
    background-color: rgba(30, 32, 34, 255);
    font-family: sans-serif;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    text-align: center;
    overflow: hidden;
}

p {
    color: #bbb;
    font-size: 1em;
}

.right-container {
    position: absolute;
    top: 0;
    right: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-end;
    padding-right: 10px;
    z-index: 5;
}

.left-container {
    position: absolute;
    top: 0;
    left: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding-left: 10px;
    z-index: 5;
}

.bar {
    background-color: rgb(0,71,178);
    height: 59px;
    margin: 15px;
    border-radius: 30px;
    opacity: 0;
    animation-duration: 2s;
    animation-timing-function: ease-in-out;
    animation-fill-mode: forwards;
    animation-iteration-count: infinite;
    animation-direction: alternate;
}

@keyframes slide-in-out-right {
    0% {
        transform: translateX(100%);
        opacity: 0;
    }
    50% {
        transform: translateX(0);
        opacity: 1;
    }
    100% {
        transform: translateX(100%);
        opacity: 0;
    }
}

@keyframes slide-in-out-left {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }
    50% {
        transform: translateX(0);
        opacity: 1;
    }
    100% {
        transform: translateX(-100%);
        opacity: 0;
    }
}

.right-container .bar {
    animation-name: slide-in-out-right;
}

.left-container .bar {
    animation-name: slide-in-out-left;
}

.bar-1 { width: 500px; animation-delay: 0s; }
.bar-2 { width: 440px; animation-delay: 0.1s; }
.bar-3 { width: 380px; animation-delay: 0.2s; }
.bar-4 { width: 320px; animation-delay: 0.3s; }
.bar-5 { width: 260px; animation-delay: 0.4s; }
.bar-6 { width: 200px; animation-delay: 0.5s; }
.bar-7 { width: 140px; animation-delay: 0.6s; }
.bar-8 { width: 80px; animation-delay: 0.7s; }

.bar-9 { width: 80px; animation-delay: 0.7s; }
.bar-10 { width: 140px; animation-delay: 0.6s; }
.bar-11 { width: 200px; animation-delay: 0.5s; }
.bar-12 { width: 260px; animation-delay: 0.4s; }
.bar-13 { width: 320px; animation-delay: 0.3s; }
.bar-14 { width: 380px; animation-delay: 0.2s; }
.bar-15 { width: 440px; animation-delay: 0.1s; }
.bar-16 { width: 480px; animation-delay: 0s; }