/* Config */
:root {
    --spinner-size: 40px;
    --spinner-color: #ffffff;
}

/*  Chase

      <div class="spinner">
        <div class="spinner-dot"></div>
        <div class="spinner-dot"></div>
        <div class="spinner-dot"></div>
        <div class="spinner-dot"></div>
        <div class="spinner-dot"></div>
        <div class="spinner-dot"></div>
      </div>
 */
.spinner {
    width: var(--spinner-size);
    height: var(--spinner-size);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    animation: spinner 2.5s infinite linear both;
}

.spinner-dot {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    animation: spinner-dot 2.0s infinite ease-in-out both;
}

.spinner-dot:before {
    content: '';
    display: block;
    width: 25%;
    height: 25%;
    background-color: var(--spinner-color);
    border-radius: 100%;
    animation: spinner-dot-before 2.0s infinite ease-in-out both;
}

.spinner-dot:nth-child(1) {
    animation-delay: -1.1s;
}

.spinner-dot:nth-child(2) {
    animation-delay: -1.0s;
}

.spinner-dot:nth-child(3) {
    animation-delay: -0.9s;
}

.spinner-dot:nth-child(4) {
    animation-delay: -0.8s;
}

.spinner-dot:nth-child(5) {
    animation-delay: -0.7s;
}

.spinner-dot:nth-child(6) {
    animation-delay: -0.6s;
}

.spinner-dot:nth-child(1):before {
    animation-delay: -1.1s;
}

.spinner-dot:nth-child(2):before {
    animation-delay: -1.0s;
}

.spinner-dot:nth-child(3):before {
    animation-delay: -0.9s;
}

.spinner-dot:nth-child(4):before {
    animation-delay: -0.8s;
}

.spinner-dot:nth-child(5):before {
    animation-delay: -0.7s;
}

.spinner-dot:nth-child(6):before {
    animation-delay: -0.6s;
}

@keyframes spinner {
    100% {
        transform: rotate(360deg);
    }
}

@keyframes spinner-dot {
    80%, 100% {
        transform: rotate(360deg);
    }
}

@keyframes spinner-dot-before {
    50% {
        transform: scale(0.4);
    }
    100%, 0% {
        transform: scale(1.0);
    }
}