*, *:before, *:after {
    box-sizing: border-box;
}

.loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 10px;
    background: #3498db;
    border-radius: 5px;
    animation: load 1.8s ease-in-out infinite;
}

    .loader:before, .loader:after {
        position: absolute;
        display: block;
        content: "";
        animation: load 1.8s ease-in-out infinite;
        height: 10px;
        border-radius: 5px;
    }

    .loader:before {
        top: -20px;
        left: 10px;
        width: 40px;
        background: #ef4836;
    }

    .loader:after {
        bottom: -20px;
        width: 35px;
        background: #f5ab35;
    }

@keyframes load {
    0% {
        transform: translateX(40px);
    }

    50% {
        transform: translateX(-30px);
    }

    100% {
        transform: translateX(40px);
    }
}