.simple-loader-wrapper {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: #fff;
    z-index: 999;
    display: none;
    -o-transition: all 0.25s cubic-bezier(0.53, 0.01, 0.35, 1.5);
    -webkit-transition: all 0.25s cubic-bezier(0.53, 0.01, 0.35, 1.5);
    transition: all 0.25s cubic-bezier(0.53, 0.01, 0.35, 1.5);
}

.simple-loader {
    width: 4rem;
    height: 4rem;
    position: absolute;
    top: 48%;
    /* fallback */
    left: 48%;
    /* fallback */
    top: calc(50% - 2rem);
    left: calc(50% - 2rem);
    z-index: 1000;
    margin: auto;
}

.spinner {
    border-top: 3px solid #F44336;
    border-right: 3px solid transparent;
    border-radius: 50%;
    -webkit-animation: rotation .8s linear infinite;
    animation: rotation .8s linear infinite;
    -webkit-transition: all 0.25s cubic-bezier(0.53, 0.01, 0.35, 1.5);
    -o-transition: all 0.25s cubic-bezier(0.53, 0.01, 0.35, 1.5);
    transition: all 0.25s cubic-bezier(0.53, 0.01, 0.35, 1.5);
}

@-webkit-keyframes rotation {
    from {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }

    to {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

@keyframes rotation {
    from {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }

    to {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

.bounceball {
    position: absolute;
    content: '';
    display: block;
    top: 0;
    left: 50%;
    /* fallback */
    left: calc(50% - 7.5px);
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background-color: #F44336;
    -webkit-transform-origin: 50%;
    -ms-transform-origin: 50%;
    transform-origin: 50%;
    -webkit-animation: bounce 500ms alternate infinite ease;
    animation: bounce 500ms alternate infinite ease;
}

@-webkit-keyframes bounce {
    0% {
        top: 30px;
        height: 5px;
        border-radius: 60px 60px 20px 20px;
        -webkit-transform: scaleX(2);
        transform: scaleX(2);
    }

    35% {
        height: 15px;
        border-radius: 50%;
        -webkit-transform: scaleX(1);
        transform: scaleX(1);
    }

    100% {
        top: 0;
    }
}

@keyframes bounce {
    0% {
        top: 30px;
        height: 5px;
        border-radius: 60px 60px 20px 20px;
        -webkit-transform: scaleX(2);
        transform: scaleX(2);
    }

    35% {
        height: 15px;
        border-radius: 50%;
        -webkit-transform: scaleX(1);
        transform: scaleX(1);
    }

    100% {
        top: 0;
    }
}

.ripple-wrapper {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
}

.ripple {
    border: 2px solid #F44336;
}

.ripple,
.ripple:after {
    width: 1em;
    height: 1em;
    border-radius: 50%;
    -webkit-animation: ripple 1.5s calc(((var(--i) + var(--o, 0))/6)*1.5s) infinite;
    animation: ripple 1.5s calc(((var(--i) + var(--o, 0))/6)*1.5s) infinite;
}

.ripple:after {
    --o: 1;
    background: transparent;
    content: "";
}

@-webkit-keyframes ripple {

    0%,
    50% {
        -webkit-transform: scale(0);
        transform: scale(0);
    }
}

@keyframes ripple {

    0%,
    50% {
        -webkit-transform: scale(0);
        transform: scale(0);
    }
}

.square-wave {
    display: -ms-grid;
    display: grid;
    -ms-grid-columns: 33% 33% 33%;
    grid-template-columns: 33% 33% 33%;
    grid-gap: 2px;
    width: 40px;
    height: 40px;
}

.square-wave>div {
    position: relative;
    display: inline-block;
    width: 100%;
    height: 100%;
    background: #F44336;
    -webkit-transform: scale(0);
    -ms-transform: scale(0);
    transform: scale(0);
    -webkit-transform-origin: center center;
    -ms-transform-origin: center center;
    transform-origin: center center;
    -webkit-animation: square-wave 2s infinite linear;
    animation: square-wave 2s infinite linear;
}

.square-wave>div:nth-of-type(1),
.square-wave>div:nth-of-type(5),
.square-wave>div:nth-of-type(9) {
    -webkit-animation-delay: 0.4s;
    animation-delay: 0.4s;
}

.square-wave>div:nth-of-type(4),
.square-wave>div:nth-of-type(8) {
    -webkit-animation-delay: 0.2s;
    animation-delay: 0.2s;
}

.square-wave>div:nth-of-type(2),
.square-wave>div:nth-of-type(6) {
    -webkit-animation-delay: 0.6s;
    animation-delay: 0.6s;
}

.square-wave>div:nth-of-type(3) {
    -webkit-animation-delay: 0.8s;
    animation-delay: 0.8s;
}

@-webkit-keyframes square-wave {
    0% {
        -webkit-transform: scale(0);
        transform: scale(0);
    }

    40% {
        -webkit-transform: scale(1);
        transform: scale(1);
    }

    80% {
        -webkit-transform: scale(1);
        transform: scale(1);
    }

    100% {
        -webkit-transform: scale(0);
        transform: scale(0);
    }
}

@keyframes square-wave {
    0% {
        -webkit-transform: scale(0);
        transform: scale(0);
    }

    40% {
        -webkit-transform: scale(1);
        transform: scale(1);
    }

    80% {
        -webkit-transform: scale(1);
        transform: scale(1);
    }

    100% {
        -webkit-transform: scale(0);
        transform: scale(0);
    }
}

.twin-spinner {
    position: relative;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin: auto;
    top: calc(50% - 30px);
}

.twin-spinner-outer {
    position: absolute;
    border: 4px solid #F44336;
    border-left-color: transparent;
    border-bottom: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    -webkit-animation: twin-spinner-outer 1s cubic-bezier(.42, .61, .58, .41) infinite;
    animation: twin-spinner-outer 1s cubic-bezier(.42, .61, .58, .41) infinite;
}

.twin-spinner-inner {
    position: absolute;
    border: 4px solid #F44336;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    left: calc(50% - 20px);
    top: calc(50% - 20px);
    border-right: 0;
    border-top-color: transparent;
    -webkit-animation: twin-spinner-inner 1s cubic-bezier(.42, .61, .58, .41) infinite;
    animation: twin-spinner-inner 1s cubic-bezier(.42, .61, .58, .41) infinite;
}

@-webkit-keyframes twin-spinner-outer {
    0% {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }

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

@keyframes twin-spinner-outer {
    0% {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }

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

@-webkit-keyframes twin-spinner-inner {
    0% {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }

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

@keyframes twin-spinner-inner {
    0% {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }

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