.initial {
    border-radius: 0;
    border-color: white;
    box-shadow: none;
    background-color: white;
}

#confidentiel {
    font-family: sans-serif;
    background-image: linear-gradient(15deg, rgb(186, 185, 185, 0.9), rgb(255, 210, 106, 0.9));
    width: calc(100% - 16px);
    transform: skew(10deg) rotate(10deg) translate(8px, 240px);
    text-align: center;
    font-size: 2em;
    padding: 40px;
    border-top: dashed 3px black;
    border-bottom: dashed 2px black;
    color: white;
    text-shadow: 0px 2px black;
}

#main_voiture {
    padding: 0px;
    height: 500px;
    width: 100%;
    background-color: #E1E8F2;
}

#route {
    position: relative;
    z-index: 1;
    transform: translate(0px, 100%);
    height: 210px;
    background-color: #808080;
}

#footer_voiture {
    margin: auto;
    background-color: transparent;
    width: 95%;
    transform: translate(0px, 100px);
    border-bottom: dashed 12px white;
}

.roue {
    font-size: 20px;
    display: table-cell;
    text-align: center;
    vertical-align: middle;
    background-color: #FFA500;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: solid 6.5px black;
    animation-name: roues;
}

#bas {
    height: 60px;
    width: 335px;
    background-image: linear-gradient(#C51A1A 0%, #BE1E1E 10%, white 20%, #FFD812 25%, #F70303 35%);
    border-top-left-radius: 30px;
    border-top-right-radius: 60px;
    border-bottom-right-radius: 25px;
    border-bottom-left-radius: 11px;
    margin: auto;
}

#haut {
    margin: auto;
    width: 210px;
    height: 50px;
    background-image: linear-gradient(45deg, #000088, black 90%);
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
    border-top: solid 4px red;
    border-left: solid 4px red;
    transform: skew(7deg) translate(-10%, 0px);
}

#haut>div {
    display: inline-block;
    width: 12px;
    height: 100%;
    background-color: red;
    transform: translate(45px, 0px) skew(5deg);
}

#haut>div~div {
    display: inline-block;
    width: 12px;
    height: 100%;
    background-color: red;
    transform: translate(135px, 0px) skew(5deg);
}

#r1 {
    transform: translate(700%, -40%);
}

#r2 {
    transform: translate(975%, -40%);
}

#voiture {
    position: relative;
    z-index: 2;
    transform: translate(0px, 250px);
    animation-name: voiture;
    animation-duration: 4s;
    animation-iteration-count: infinite;
    animation-timing-function: ease-in-out;
}

#cadre_montagne {
    --montagne: #bba;
    overflow: hidden;
    padding: 0;
    margin-top: 110px;
}

#soleil {
    background-image: radial-gradient(white, yellow 10%, transparent 50%);
    height: 60px;
    width: 60px;
    position: relative;
    left: 400px;
    animation-name: soleil;
    animation-duration: 15s;
    animation-iteration-count: infinite;
    animation-timing-function: linear;
    transform-origin: 0px 300px;
}


main {
    overflow: hidden;
    width: 1000px;
}

#ciel {
    background: cornflowerblue;
    height: 200px;
    animation-name: ciel;
    animation-duration: 15s;
    animation-iteration-count: infinite;
    animation-timing-function: linear;
}

#terre {
    background: var(--montagne);
    height: 50px;
    display: flex;
}

.montagne {
    height: 200px;
    width: 200px;
    background: var(--montagne);
}

.montagne:first-child {
    transform: skewX(10deg) scale(1.4, 1) rotate(45deg) translate(-50px, -130px);
    background-image: radial-gradient(circle at top left, white, transparent 30%);
}

.montagne:nth-child(2) {
    transform: rotate(45deg) translate(0, -100px);
    background-image: radial-gradient(circle at top left, white, var(--montagne) 20%);
}

.montagne:nth-child(3) {
    background-image: radial-gradient(circle at top left, #fff 5%, var(--montagne) 30%);
    transform: scale(1.7, 1.2) rotate(45deg) translate(-10px, -100px);
}

.montagne:nth-child(4) {
    transform: skewX(20deg) rotate(45deg) translate(0, -100px);
    background-image: radial-gradient(circle at top left, white, var(--montagne) 20%);
}

.montagne:nth-child(5) {
    transform: skewX(-10deg) scale(1.7, 1) rotate(45deg) translate(-40px, -50px);
    background-image: radial-gradient(circle at top left, #fff, var(--montagne) 20%);
}


@keyframes soleil {
    0% {
        transform: rotate(-90deg);
    }

    100% {
        transform: rotate(90deg);
    }
}

@keyframes ciel {
    0% {
        background-color: black;
    }

    20% {
        background-color: #648;
    }

    40% {
        background-color: cornflowerblue;
    }

    60% {
        background-color: cornflowerblue;
    }

    80% {
        background-color: #648;
    }

    100% {
        background-color: black;
    }
}


@keyframes voiture {
    from {
        transform: translate(-700px, 250px);
    }

    to {
        transform: translate(100vw, 250px);
    }
}

@keyframes roues {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}