trezor-wallet/src/styles/loader.less

.loader-circle {

    position: relative;
    width: 100px;
    height: 100px;
    display: flex;
    justify-content: center;
    align-items: center;

    p {
        position: absolute;
        //margin: auto;
        //line-height: 100%;
        color: @color_text_secondary;
    }

    .circular {
    
        width: 100%;
        height: 100%;
        animation: rotate 2s linear infinite;
        transform-origin: center center;
        
        position: absolute;
        
        .route {
            stroke: @color_gray_light;
        }
    
        .path {
            stroke-dasharray: 1, 200;
            stroke-dashoffset: 0;
            animation: dash 1.5s ease-in-out infinite, color 6s ease-in-out infinite;
            stroke-linecap: round;
        }
    }
}

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

@keyframes dash {  
    0% {
        stroke-dasharray: 1, 200;
        stroke-dashoffset: 0;
    }
    50% {
        stroke-dasharray: 89, 200;
        stroke-dashoffset: -35;
    }
    100% {
        stroke-dasharray: 89, 200;
        stroke-dashoffset: -124;
    }
}

@keyframes color {  
    100%, 0% {
        stroke: @color_green_primary;
    }
    40% {
        stroke: @color_green_primary;
    }
    66% {
        stroke: @color_green_secondary;
    }
    80%, 90% {
        stroke: @color_green_tertiary;
    }
}