.cont-loader {
    width: 120px;
    height: 22px;
    border-radius: 40px;
    color: #514b82;
    border: 2px solid;
    position: relative;
    overflow: hidden;
}
.cont-loader::before {
    content: "";
    position: absolute;
    margin: 2px;
    width: 14px;
    top: 0;
    bottom: 0;
    left: -20px;
    border-radius: inherit;
    background: currentColor;
    box-shadow: -10px 0 12px 3px currentColor;
    clip-path: polygon(0 5%, 100% 0,100% 100%,0 95%,-30px 50%);
    animation: l14 1s infinite linear;
}
@keyframes l14 {
    100% {left: calc(100% + 20px)}
}