@mixin loader {
    color: $black;
    font-size: 3px;
    margin: 5px 10px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    position: relative;
    text-indent: -9999em;
    -webkit-animation: load4 1.3s linear infinite;
    animation: load4 1.3s linear infinite;
    transform: translateZ(0);
    @-webkit-keyframes load4 {
        0%,
        100% {
            box-shadow:
                0 -3em 0 0.2em,
                2em -2em 0 0em,
                3em 0 0 -1em,
                2em 2em 0 -1em,
                0 3em 0 -1em,
                -2em 2em 0 -1em,
                -3em 0 0 -1em,
                -2em -2em 0 0;
        }
        12.5% {
            box-shadow:
                0 -3em 0 0,
                2em -2em 0 0.2em,
                3em 0 0 0,
                2em 2em 0 -1em,
                0 3em 0 -1em,
                -2em 2em 0 -1em,
                -3em 0 0 -1em,
                -2em -2em 0 -1em;
        }
        25% {
            box-shadow:
                0 -3em 0 -0.5em,
                2em -2em 0 0,
                3em 0 0 0.2em,
                2em 2em 0 0,
                0 3em 0 -1em,
                -2em 2em 0 -1em,
                -3em 0 0 -1em,
                -2em -2em 0 -1em;
        }
        37.5% {
            box-shadow:
                0 -3em 0 -1em,
                2em -2em 0 -1em,
                3em 0em 0 0,
                2em 2em 0 0.2em,
                0 3em 0 0em,
                -2em 2em 0 -1em,
                -3em 0em 0 -1em,
                -2em -2em 0 -1em;
        }
        50% {
            box-shadow:
                0 -3em 0 -1em,
                2em -2em 0 -1em,
                3em 0 0 -1em,
                2em 2em 0 0em,
                0 3em 0 0.2em,
                -2em 2em 0 0,
                -3em 0em 0 -1em,
                -2em -2em 0 -1em;
        }
        62.5% {
            box-shadow:
                0 -3em 0 -1em,
                2em -2em 0 -1em,
                3em 0 0 -1em,
                2em 2em 0 -1em,
                0 3em 0 0,
                -2em 2em 0 0.2em,
                -3em 0 0 0,
                -2em -2em 0 -1em;
        }
        75% {
            box-shadow:
                0em -3em 0 -1em,
                2em -2em 0 -1em,
                3em 0em 0 -1em,
                2em 2em 0 -1em,
                0 3em 0 -1em,
                -2em 2em 0 0,
                -3em 0em 0 0.2em,
                -2em -2em 0 0;
        }
        87.5% {
            box-shadow:
                0em -3em 0 0,
                2em -2em 0 -1em,
                3em 0 0 -1em,
                2em 2em 0 -1em,
                0 3em 0 -1em,
                -2em 2em 0 0,
                -3em 0em 0 0,
                -2em -2em 0 0.2em;
        }
    }
    @keyframes load4 {
        0%,
        100% {
            box-shadow:
                0 -3em 0 0.2em,
                2em -2em 0 0em,
                3em 0 0 -1em,
                2em 2em 0 -1em,
                0 3em 0 -1em,
                -2em 2em 0 -1em,
                -3em 0 0 -1em,
                -2em -2em 0 0;
        }
        12.5% {
            box-shadow:
                0 -3em 0 0,
                2em -2em 0 0.2em,
                3em 0 0 0,
                2em 2em 0 -1em,
                0 3em 0 -1em,
                -2em 2em 0 -1em,
                -3em 0 0 -1em,
                -2em -2em 0 -1em;
        }
        25% {
            box-shadow:
                0 -3em 0 -0.5em,
                2em -2em 0 0,
                3em 0 0 0.2em,
                2em 2em 0 0,
                0 3em 0 -1em,
                -2em 2em 0 -1em,
                -3em 0 0 -1em,
                -2em -2em 0 -1em;
        }
        37.5% {
            box-shadow:
                0 -3em 0 -1em,
                2em -2em 0 -1em,
                3em 0em 0 0,
                2em 2em 0 0.2em,
                0 3em 0 0em,
                -2em 2em 0 -1em,
                -3em 0em 0 -1em,
                -2em -2em 0 -1em;
        }
        50% {
            box-shadow:
                0 -3em 0 -1em,
                2em -2em 0 -1em,
                3em 0 0 -1em,
                2em 2em 0 0em,
                0 3em 0 0.2em,
                -2em 2em 0 0,
                -3em 0em 0 -1em,
                -2em -2em 0 -1em;
        }
        62.5% {
            box-shadow:
                0 -3em 0 -1em,
                2em -2em 0 -1em,
                3em 0 0 -1em,
                2em 2em 0 -1em,
                0 3em 0 0,
                -2em 2em 0 0.2em,
                -3em 0 0 0,
                -2em -2em 0 -1em;
        }
        75% {
            box-shadow:
                0em -3em 0 -1em,
                2em -2em 0 -1em,
                3em 0em 0 -1em,
                2em 2em 0 -1em,
                0 3em 0 -1em,
                -2em 2em 0 0,
                -3em 0em 0 0.2em,
                -2em -2em 0 0;
        }
        87.5% {
            box-shadow:
                0em -3em 0 0,
                2em -2em 0 -1em,
                3em 0 0 -1em,
                2em 2em 0 -1em,
                0 3em 0 -1em,
                -2em 2em 0 0,
                -3em 0em 0 0,
                -2em -2em 0 0.2em;
        }
    }
}

.fus-form {
    .fus-loader {
        width: 47px;
        height: 47px;
        float: right;
        display: none;
    }
    .fus-loader.active {
        display: block;
    }
    .fus-loader:after {
        content: " ";
        display: block;
        width: 32px;
        height: 32px;
        margin: 7px;
        border-radius: 50%;
        border: 3px solid rgba(0, 0, 0, 0.15);
        border-color: rgba(0, 0, 0, 0.15) transparent rgba(0, 0, 0, 0.15) transparent;
        animation: fus-loader 1.2s linear infinite;
    }
    @keyframes fus-loader {
        0% {
            transform: rotate(0deg);
        }
        100% {
            transform: rotate(360deg);
        }
    }
}