/*
    html
<div class="demo">
    <div class="container">
        <div class="row">
            <div class="col-md-12">
                <div class="loader">
                    <div class="loader-inner-1"></div>
                    <div class="loader-inner-2"></div>
                    <div class="loader-inner-3"></div>
                </div>
            </div>
        </div>
    </div>
</div>
*/
.demo {
    /*background: #17bebb;*/
}
.loader {
    display: flex;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: #eee;
    align-items: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
    justify-content: center;
    margin: 50px auto;
    position: relative;
}

    .loader .loader-inner-1 {
        width: 3px;
        height: 48px;
        border-radius: 100px;
        background: #f74e55;
        position: absolute;
        top: 50%;
        transform-origin: top;
        -webkit-animation: loading-1 1s linear infinite;
        animation: loading-1 1s linear infinite;
    }

    .loader .loader-inner-2 {
        width: 3px;
        height: 32px;
        border-radius: 100px;
        background: #f74e55;
        position: absolute;
        top: 50%;
        transform-origin: top;
        -webkit-animation: loading-1 7s linear infinite;
        animation: loading-1 7s linear infinite;
    }

    .loader .loader-inner-3 {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: #f74e55;
        margin: -2px 0 0 -2px;
    }

@-webkit-keyframes loading-1 {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes loading-1 {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}