* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body {
    width: 100%;
    height: 100%;
}

body {
    background: #252525;
}

.bicycle-container {
    position: absolute;
    margin: auto;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    max-width: 350px;
    height: 300px;
    overflow: hidden;
}

.bicycle-container .wheel {
    position: absolute;
    margin: auto;
    top: 0;
    bottom: 0;
    width: 120px;
    height: 120px;
    box-shadow: 0 10px 15px -12px rgba(0, 0, 0, 0.3);
}

.bicycle-container .wheel .tire {
    position: absolute;
    margin: auto;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: inherit;
    height: inherit;
    border-radius: 50%;
    border: 10px solid #151515;
    z-index: 2;
}

.bicycle-container .wheel .rim {
    position: absolute;
    margin: auto;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 114px;
    height: 114px;
    border-radius: 50%;
    border: 10px solid crimson;
    z-index: 1;
}

.bicycle-container .wheel .spokes {
    position: absolute;
    margin: auto;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 78px;
    height: 78px;
    border-radius: 50%;
    border-left: 3px solid transparent;
    border-right: 3px solid transparent;
    border-top: 3px solid crimson;
    z-index: 1;
    animation: rt 2s infinite linear;
    background: rgba(200, 100, 100, 0.1);
}

.bicycle-container .wheel .spokes:nth-of-type(3) {
    border-left: 3px solid transparent;
    border-right: 3px solid transparent;
    border-bottom: 3px solid crimson;
}

.bicycle-container .wheel .hub {
    position: absolute;
    margin: auto;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: crimson;
}

.bicycle-container .back-wheel {
    left: 0;
}

.bicycle-container .front-wheel {
    right: 0;
}

.bicycle-container .gear {
    position: absolute;
    margin: auto;
    top: 0;
    bottom: 0;
    left: calc(120px + 39.6px);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #151515;
    z-index: 4;
    animation: rt 3s infinite linear;
}

.bicycle-container .gear .gear-red {
    position: absolute;
    margin: auto;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 3px solid crimson;
}

.bicycle-container .gear .pedal-tube {
    position: absolute;
    margin: auto;
    top: -30px;
    right: 0;
    bottom: 0;
    left: 0;
    transform: rotate(-90deg);
    width: 20px;
}

.bicycle-container .gear .pedal {
    position: absolute;
    margin: auto;
    top: -50px;
    right: 0;
    bottom: 0;
    left: 0;
    width: 20px;
    height: 5px;
    background: crimson;
    border-radius: 5px;
    z-index: 3;
}

.bicycle-container .tube {
    position: absolute;
    margin: auto;
    top: 0;
    bottom: 0;
    height: 5px;
    border-radius: 5px;
    background: #151515;
    z-index: 3;
}

.bicycle-container .chain-tube {
    left: calc(120px / 2);
    width: 120px;
}

.bicycle-container .seat-tube-back {
    left: calc(120px / 2);
    transform-origin: left;
    transform: rotate(-60deg);
    width: 120px;
}

.bicycle-container .seat-tube-front {
    left: calc(120px / 2);
    transform-origin: right;
    transform: rotate(60deg);
    width: 120px;
}

.bicycle-container .seat-tube-post {
    left: calc((120px / 2) - 20px);
    transform-origin: right;
    transform: rotate(60deg);
    background: crimson;
    z-index: 1;
    height: calc(5px - 1px);
    width: 140px;
}

.bicycle-container .top-tube {
    left: 120px;
    bottom: initial;
    top: 44px;
    width: 113px;
}

.bicycle-container .top-handlebar-tube {
    right: 112px;
    bottom: initial;
    top: 25px;
    width: 20px;
    background: crimson;
}

.bicycle-container .top-handlebar-tube2 {
    right: 90px;
    bottom: initial;
    top: 25px;
    width: 25px;
    background: #151515;
    border-radius: 0%;
}

.bicycle-container .down-tube {
    left: calc(120px + 60px);
    width: 100px;
    transform-origin: left;
    transform: rotate(-50deg);
}

.bicycle-container .head-tube {
    right: calc(120px / 2);
    transform-origin: right;
    transform: rotate(60deg);
    width: 120px;
}

.bicycle-container .head-tube-post {
    right: calc(120px / 2);
    transform-origin: right;
    transform: rotate(60deg);
    width: 140px;
    background: crimson;
    z-index: 1;
    height: calc(5px - 1px);
}

.bicycle-container .saddle {
    position: absolute;
    margin: auto;
    top: 20px;
    left: 85px;
    width: 50px;
    height: 10px;
    border-top-left-radius: 50%;
    border-top-right-radius: 100%;
    border-bottom-left-radius: 50%;
    background: #151515;
    z-index: 2;
}

.bicycle-container .handlebars {
    position: absolute;
    margin: auto;
    top: 25px;
    right: calc(100px / 2 + 25px);
    width: 30px;
    height: 30px;
    border-top-right-radius: 50%;
    border-bottom-right-radius: 50%;
    border-top: 5px solid #151515;
    border-right: 5px solid #151515;
    border-bottom: 5px solid crimson;
    z-index: 2;
}

.ground-container {
    position: absolute;
    margin: auto;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 600px;
    height: 200px;
    overflow: hidden;
}

.ground-container .ground {
    position: absolute;
    margin: auto;
    animation: mv infinite linear;
    background: crimson;
    z-index: -1;
}

.ground-container .ground1 {
    bottom: 0;
    right: -150px;
    width: 100px;
    height: 4px;
    border-radius: 10px;
    animation-duration: 3s;
    z-index: 5;
}

.ground-container .ground1:before {
    content: "";
    position: absolute;
    margin: auto;
    top: -60px;
    left: 150px;
    width: 40px;
    height: 30px;
    border-top-right-radius: 60%;
    border-top-left-radius: 30%;
    border-bottom-left-radius: 20%;
    background: #151515;
}

.ground-container .ground2 {
    bottom: 70px;
    right: -250px;
    width: 100px;
    height: 2px;
    border-radius: 10px;
    animation-duration: 4s;
}

.ground-container .ground2:before {
    content: "";
    position: absolute;
    margin: auto;
    top: -30px;
    left: 200px;
    width: 20px;
    height: 10px;
    border-top-right-radius: 60%;
    border-top-left-radius: 30%;
    border-bottom-left-radius: 20%;
    background: #151515;
}

.ground-container .ground3 {
    top: 50px;
    right: -300px;
    width: 100px;
    height: 2px;
    border-radius: 10px;
    animation-duration: 5s;
}

.ground-container .ground3:before {
    content: "";
    position: absolute;
    margin: auto;
    top: 10px;
    left: -100px;
    width: 10px;
    height: 5px;
    border-top-right-radius: 60%;
    border-top-left-radius: 30%;
    border-bottom-left-radius: 20%;
    background: #151515;
}

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

@keyframes mv {
    100% {
        right: 900px;
    }
}