body {
    margin: 0;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: teal;
    overflow: hidden;
}

.loader {
    width: 6em;
    border-bottom: 0.25em solid white;
    font-size: 30px;
    border-radius: 0.125em;
    position: relative;
    left: 0.5em;
    top: 0.5em;
    animation: throw 3s infinite;
    transform-origin: 20%;
}

.loader::before {
    content: '';
    position: absolute;
    width: 1em;
    height: 1em;
    border: 0.25em solid white;
    bottom: 0;
    left: 0.5em;
    border-radius: 0.25em;
    animation: push 3s infinite;
}

@keyframes throw {
    0%, 70%, 100% {
        transform: rotate(-45deg);
    }

    80% {
        transform: rotate(-135deg);
    }
}

@keyframes push {
    0% {
        transform: translateX(0) rotate(0deg);
    }

    5% {
        transform: translateX(0) rotate(-5deg);
    }
    
    20%, 25% {
        transform: translateX(1em) rotate(calc(90deg * 1 + 5deg));
    }

    30% {
        transform: translateX(1em) rotate(calc(90deg * 1 - 5deg));
    }

    40%, 45% {
        transform: translateX(2em) rotate(calc(90deg * 2 + 5deg));
    }

    50% {
        transform: translateX(2em) rotate(calc(90deg * 2 - 5deg));
    }

    60%, 65% {
        transform: translateX(3em) rotate(calc(90deg * 3 + 5deg));
    }

    70% {
        transform: translateX(3em) translateY(0) rotate(calc(90deg * 3 - 5deg)) scale(1);
        filter: opacity(1);
    }

    80% {
        transform: translateX(0) translateY(-5em) rotate(-5deg) scale(0);
        filter: opacity(0.5);
    }

    90% {
        transform: translateX(0) translateY(0) rotate(0deg) scale(0);
    }
}