.wheel {
    border: 2px solid black;
    border-radius: 50%;
    margin-left: 50px;
    position: absolute;
    height: 55vw;
    width: 55vw;
    max-width: 500px;
    max-height: 500px;
    animation-name: wheel;
    animation-duration: 10s;
    animation-iteration-count: infinite;
    animation-timing-function: linear;
}

.line {
    background-color: black;
    width: 50%;
    height: 2px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform-origin: 0% 0%;
}

.line:nth-of-type(2) {
    transform: rotate(60deg);
}

.line:nth-of-type(3) {
    transform: rotate(120deg);
}

.line:nth-of-type(4) {
    transform: rotate(180deg);
}

.line:nth-of-type(5) {
    transform: rotate(240deg);
}

.line:nth-of-type(6) {
    transform: rotate(300deg);
}

.cabin {
    background-color: red;
    width: 20%;
    height: 20%;
    position: absolute;
    border: 2px solid;
    transform-origin: 50% 0%;
    animation: cabins 10s ease-in-out infinite;
}

.cabin:nth-of-type(1) {
    right: -8.5%;
    top: 50%;
}

.cabin:nth-of-type(2) {
    right: 17%;
    top: 93.5%;
}

.cabin:nth-of-type(3) {
    right: 67%;
    top: 93.5%;
}

.cabin:nth-of-type(4) {
    left: -8.5%;
    top: 50%;
}

.cabin:nth-of-type(5) {
    left: 17%;
    top: 7%;
}

.cabin:nth-of-type(6) {
    right: 17%;
    top: 7%;
}

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

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

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

    25% {
        background-color: yellow;
    }

    50% {
        background-color: purple;
    }

    75% {
        background-color: yellow;
    }

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