.layer-loadding {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(50, 50, 50, .1);
    z-index: 1000;
}

.layer-loadding li {
    list-style: none
}

.layer-loadding ul {
    height: 40px;
    width: 200px;
    position: absolute;
    top: 35%;
    left: 50%;
    transform: translateX(-50%);
}

.layer-loadding ul>li {
    float: left;
    height: 20px;
    width: 20px;
    border-radius: 50%;
    background: #01c7ba;
    margin-left: 10px;
    animation: loading .4s infinite alternate;
    transform: scale(0.5)
}

.layer-loadding ul>li:nth-of-type(2) {
    animation-delay: 0.5s;
}

.layer-loadding ul>li:nth-of-type(3) {
    animation-delay: 1s;
}

@keyframes loading {
    0% {
        transform: scale(0.5);
        opacity: 0.5
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}