CSS Animation Loading Indicator (aka Spinner) with Bouncing Dots (Middle Positioned Circles)

layout.html

<div style="display: none" data-selector="spinner" id="spinner">
    
  <div class="nowrap">
        <span class="spinner-text text-info">CUSTOM TEXT</span>

        <div class="spinner">
            <div class="bounce1"></div>
            <div class="bounce2"></div>
            <div class="bounce3"></div>
        </div>
    </div>
  
</div>

styles.css

/** SPINNER **/
.spinner-text {
    float: left;
    margin: 3px 5px 3px 0;
}

.spinner {
    margin: 3px 0;
}

.spinner > div {
    width: 5px;
    height: 5px;
    background-color: #31708f;
    border-radius: 100%;
    display: inline-block;
    -webkit-animation: sk-bouncedelay 1.4s infinite ease-in-out both;
    animation: sk-bouncedelay 1.4s infinite ease-in-out both;
}

.spinner .bounce1 {
    -webkit-animation-delay: -0.32s;
    animation-delay: -0.32s;
}

.spinner .bounce2 {
    -webkit-animation-delay: -0.16s;
    animation-delay: -0.16s;
}

@-webkit-keyframes sk-bouncedelay {
    0%, 80%, 100% {
        -webkit-transform: scale(0)
    }
    40% {
        -webkit-transform: scale(1.0)
    }
}

@keyframes sk-bouncedelay {
    0%, 80%, 100% {
        -webkit-transform: scale(0);
        transform: scale(0);
    }
    40% {
        -webkit-transform: scale(1.0);
        transform: scale(1.0);
    }
}
/** END OF SPINNER **/