.spinner {
    width: 2rem;
    height: 2rem;
    border: 0.2rem solid #FFF;
    border-bottom-color: transparent;
    border-radius: 50%;
    display: inline-block;
    box-sizing: border-box;
    animation: rotation 1s linear infinite;
}

@keyframes rotation {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}


.bar-loader {
    width: 100%;
    height: 4.8px;
    display: inline-block;
    position: relative;
    background: rgba(255, 255, 255, 0.15);
    overflow: hidden;
}
.bar-loader::after {
    content: '';
    width: 192px;
    height: 4.8px;
    background: #FFF;
    position: absolute;
    top: 0;
    left: 0;
    box-sizing: border-box;
    animation: barAnimation 2s linear infinite;
}

@keyframes barAnimation {
    0% {
        left: 0;
        transform: translateX(-100%);
    }
    100% {
        left: 100%;
        transform: translateX(0%);
    }
}