.loader-wrap {
    display: flex;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    position: fixed;
    height: 100%;
    width: 100%;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    margin: auto;
    background-color: rgba(255, 255, 255, 0.8);
    z-index: -1;
}

.loader-wrap.loading {
    opacity: 1;
    visibility: visible;
    z-index: 102;
}

.loader {
    margin: 0 auto;
    height: 40px;
    width: 80px;
    box-sizing: border-box;
}

.loader .loader-item {
    position: relative;
    float: left;
    height: 40px;
    width: 4px;
    margin: 0 2px;
    background-color: #1A85E1;
}

.loader .loader-item:nth-child(1) {
    animation: loader-item-1 2s linear infinite;
}

.loader .loader-item:nth-child(2) {
    animation: loader-item-2 2s linear infinite;
}

.loader .loader-item:nth-child(3) {
    animation: loader-item-3 2s linear infinite;
}

.loader .loader-item:nth-child(4) {
    animation: loader-item-4 2s linear infinite;
}

.loader .loader-item:nth-child(5) {
    animation: loader-item-5 2s linear infinite;
}

.loader .loader-item:nth-child(6) {
    animation: loader-item-6 2s linear infinite;
}

.loader .loader-item:nth-child(7) {
    animation: loader-item-7 2s linear infinite;
}

.loader .loader-item:nth-child(8) {
    animation: loader-item-8 2s linear infinite;
}

.loader .loader-item:nth-child(9) {
    animation: loader-item-9 2s linear infinite;
}

.loader .loader-item:nth-child(10) {
    animation: loader-item-10 2s linear infinite;
}

.loader:after {
    content: attr(data-text);
    font-size: 16px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
    font-weight: bold;
    color: #333333;
    text-align: center;
    position: absolute;
    left: 0;
    right: 0;
    top: 50px;
    margin: auto 0 auto -150px;
    width: 400px;
}

@keyframes loader-item-1 {
    1% {
        transform: scaleY(1);
    }
    11% {
        transform: scaleY(1.4);
    }
    21% {
        transform: scaleY(1);
    }
    100% {
        transform: scaleY(1);
    }
}

@keyframes loader-item-2 {
    7% {
        transform: scaleY(1);
    }
    17% {
        transform: scaleY(1.4);
    }
    27% {
        transform: scaleY(1);
    }
    100% {
        transform: scaleY(1);
    }
}

@keyframes loader-item-3 {
    13% {
        transform: scaleY(1);
    }
    23% {
        transform: scaleY(1.4);
    }
    33% {
        transform: scaleY(1);
    }
    100% {
        transform: scaleY(1);
    }
}

@keyframes loader-item-4 {
    19% {
        transform: scaleY(1);
    }
    29% {
        transform: scaleY(1.4);
    }
    39% {
        transform: scaleY(1);
    }
    100% {
        transform: scaleY(1);
    }
}

@keyframes loader-item-5 {
    25% {
        transform: scaleY(1);
    }
    35% {
        transform: scaleY(1.4);
    }
    45% {
        transform: scaleY(1);
    }
    100% {
        transform: scaleY(1);
    }
}

@keyframes loader-item-6 {
    31% {
        transform: scaleY(1);
    }
    41% {
        transform: scaleY(1.4);
    }
    51% {
        transform: scaleY(1);
    }
    100% {
        transform: scaleY(1);
    }
}

@keyframes loader-item-7 {
    37% {
        transform: scaleY(1);
    }
    47% {
        transform: scaleY(1.4);
    }
    57% {
        transform: scaleY(1);
    }
    100% {
        transform: scaleY(1);
    }
}

@keyframes loader-item-8 {
    43% {
        transform: scaleY(1);
    }
    53% {
        transform: scaleY(1.4);
    }
    63% {
        transform: scaleY(1);
    }
    100% {
        transform: scaleY(1);
    }
}

@keyframes loader-item-9 {
    49% {
        transform: scaleY(1);
    }
    59% {
        transform: scaleY(1.4);
    }
    69% {
        transform: scaleY(1);
    }
    100% {
        transform: scaleY(1);
    }
}

@keyframes loader-item-10 {
    55% {
        transform: scaleY(1);
    }
    65% {
        transform: scaleY(1.4);
    }
    75% {
        transform: scaleY(1);
    }
    100% {
        transform: scaleY(1);
    }
}