/* #region Animation */
@import url('keyframe/animations.css');

.animation {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    transform: translateZ(0);
}

.cloud {
    position: absolute;
    top: 20%;
    width: 300px;
    right: 0;
    opacity: 1;
}

    .cloud.front {
        z-index: 9;
    }

    .cloud.distant {
        z-index: 1;
    }

    .cloud.background {
        z-index: 1;
    }

    .cloud.smaller {
        margin-right: 400px;
        width: 100px;
        margin-top: 50px;
    }

    .cloud.small {
        margin-right: 200px;
        width: 150px;
    }

    .cloud.big {
        width: 500px;
        margin-top: 50px;
        margin-right: 150px;
    }

    .cloud.massive {
        width: 600px;
        margin-top: 20px;
        margin-right: 0px;
    }

.cloud {
    -webkit-animation-name: cloud-movement;
    -webkit-animation-timing-function: linear;
    -webkit-animation-direction: forwards;
    -webkit-animation-iteration-count: infinite;
    -webkit-animation-duration: 8s;
    -moz-animation-name: cloud-movement;
    -moz-animation-timing-function: linear;
    -moz-animation-direction: forwards;
    -moz-animation-iteration-count: infinite;
    -moz-animation-duration: 8s;
    animation-name: cloud-movement;
    animation-timing-function: linear;
    animation-direction: forwards;
    animation-iteration-count: infinite;
    animation-duration: 8s;
}

.slow {
    -webkit-animation-duration: 9.2s;
    -moz-animation-duration: 9.2s;
    animation-duration: 9.2s;
}

.slower {
    -webkit-animation-duration: 11.2s;
    -moz-animation-duration: 11.2s;
    animation-duration: 11.2s;
}

.slowest {
    -webkit-animation-duration: 13.5s;
    -moz-animation-duration: 13.5s;
    animation-duration: 13.5s;
}

.super-slow {
    -webkit-animation-duration: 20.5s;
    -moz-animation-duration: 20.5s;
    animation-duration: 20.5s;
}

.plane-container {
    position: absolute;
    width: 200px;
    top: 32%;
    left: 25%;
    z-index: 3;
}

.plane {
    width: 100%;
    height: 60px;
}

.plane-container {
    -webkit-animation: paper-plane-scoping 2s alternate infinite;
    -moz-animation: paper-plane-scoping 2s alternate infinite;
    animation: paper-plane-scoping 2s alternate infinite;
    -webkit-animation-timing-function: linear;
    -moz-animation-timing-function: linear;
    animation-timing-function: linear;
}

.plane {
    -webkit-animation-timing-function: ease-in-out;
    -moz-animation-timing-function: ease-in-out;
    animation-timing-function: ease-in-out;
    -webkit-animation: paper-plane-soaring 4s forwards infinite;
    -moz-animation: paper-plane-soaring 4s forwards infinite;
    animation: paper-plane-soaring 4s forwards infinite;
}

/* #endregion Animation */


/* width */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: #0d4e68;
}

::-webkit-scrollbar-thumb {
    background: #0d4e68;
}

::-webkit-scrollbar-track {
    background: #cdcdcd;
}