.loader {
    display: flex;
    width: 40px;
    height: 40px;
    bottom: 50px;
    right: 50px;
    margin: auto;
    border-radius: 50%;
    background-color: #21b8f6;
    font-weight: 700;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.water {
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: #DE4709;
    transform: translateY(100%);
    z-index: 2;
    color: #fff;

    
}

.welle {
    position: absolute;
    bottom: 100%;
    width: 600%;
    fill: #DE4709;
    animation: welle 1.2s linear infinite;
}

@keyframes welle {
    to {
        transform: translateX(-50%);
    }
}