.preloader {
    height: 100%;
    width: 100%;
    top: 0;
    position: fixed;
    z-index: 999999;
    background: #506ee4;
    display: flex;
    align-items: center;
}

.preloader .sk-child {
    background-color: #fff
}

.sk-double-bounce {
    width: 40px;
    height: 40px;
    position: relative;
    margin: 40px auto
}

.sk-double-bounce .sk-child {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #fff;
    opacity: .6;
    position: absolute;
    top: 0;
    left: 0;
    -webkit-animation: sk-doubleBounce 2s ease-in-out infinite;
    animation: sk-doubleBounce 2s ease-in-out infinite
}

.sk-double-bounce .sk-double-bounce2 {
    -webkit-animation-delay: -1s;
    animation-delay: -1s
}

@-webkit-keyframes sk-doubleBounce {
    0%,to {
        -webkit-transform: scale(0);
        transform: scale(0)
    }

    50% {
        -webkit-transform: scale(1);
        transform: scale(1)
    }
}

@keyframes sk-doubleBounce {
    0%,to {
        -webkit-transform: scale(0);
        transform: scale(0)
    }

    50% {
        -webkit-transform: scale(1);
        transform: scale(1)
    }
}


/***************************Loading *************************/
.is-loading {
    position: relative;
    color: transparent !important
}

 .is-loading:after,  .loader {
    display: block;
    width: 1.5rem;
    height: 1.5rem;
    -webkit-animation: is-loading 1s linear infinite;
    animation: is-loading 1s linear infinite;
    border: 3px solid #383b3d;
    border-bottom-color: transparent;
    border-radius: 50%;
    background: transparent
}

 .is-loading-sm:after,  .loader-sm {
    width: 1rem;
    height: 1rem;
    border-width: 2px
}

 .is-loading-lg:after,  .loader-lg {
    width: 2rem;
    height: 2rem;
    border-width: 5px
}

 .is-loading > * {
    opacity: 0 !important
}

 .is-loading:after {
    position: absolute;
    top: calc(50% - .75rem);
    left: calc(50% - .75rem);
    content: ""
}

 .is-loading-sm:after {
    top: calc(50% - .5rem);
    left: calc(50% - .5rem)
}

 .is-loading-lg:after {
    top: calc(50% - 1rem);
    left: calc(50% - 1rem)
}

 .btn-outline-primary.is-loading:after,  .is-loading-primary:after,  .loader-primary {
    border-color: #2196f3 #2196f3 transparent
}

 .btn-primary.is-loading:after {
    border-color: #fff #fff transparent
}

 .btn-outline-secondary.is-loading:after,  .is-loading-secondary:after,  .loader-secondary {
    border-color: #6b757d #6b757d transparent
}

 .btn-secondary.is-loading:after {
    border-color: #fff #fff transparent
}

 .btn-outline-success.is-loading:after,  .is-loading-success:after,  .loader-success {
    border-color: #66bb6a #66bb6a transparent
}

 .btn-success.is-loading:after {
    border-color: #212529 #212529 transparent
}

 .btn-outline-info.is-loading:after,  .is-loading-info:after,  .loader-info {
    border-color: #29b6f6 #29b6f6 transparent
}

 .btn-info.is-loading:after {
    border-color: #fff #fff transparent
}

 .btn-outline-warning.is-loading:after,  .is-loading-warning:after,  .loader-warning {
    border-color: #ffa726 #ffa726 transparent
}

 .btn-warning.is-loading:after {
    border-color: #212529 #212529 transparent
}

 .btn-outline-danger.is-loading:after,  .is-loading-danger:after,  .loader-danger {
    border-color: #f44336 #f44336 transparent
}

 .btn-danger.is-loading:after {
    border-color: #fff #fff transparent
}

 .btn-outline-light.is-loading:after,  .is-loading-light:after,  .loader-light {
    border-color: #f8f9fa #f8f9fa transparent
}

 .btn-light.is-loading:after {
    border-color: #212529 #212529 transparent
}

 .btn-outline-dark.is-loading:after,  .is-loading-dark:after,  .loader-dark {
    border-color: #39444d #39444d transparent
}

 .btn-dark.is-loading:after {
    border-color: #fff #fff transparent
}

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

    to {
        -webkit-transform: rotate(1turn);
        transform: rotate(1turn)
    }
}

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

    to {
        -webkit-transform: rotate(1turn);
        transform: rotate(1turn)
    }
}

 .loader-list {
    display: flex;
    align-items: center
}

     .loader-list > .loader {
        margin-bottom: .75rem;
        margin-left: .5rem
    }