body {
    background-color: #fff;
    font-family: Fira-sans, sans-serif;
    margin: 0;
    padding: 0;
}

@keyframes timer {
    0% {
        width: 100%;
        background-color: #0f0;
    }
    69.9% {
        width: 0%;
        background-color: #0f0;
    }
    70% {
        width: 100%;
        background-color: #f00;
    }
    99.9% {
        width: 0%;
        background-color: #f00;
    }
    100% {
        width: 100%;
        background-color: #0f0;
    }
}

.timer {
    height: 10px;
    margin: 0;
    top: 50%;
    animation: timer 30s linear infinite;
    display: block;
    position: fixed;
    transform: translateY(-50%);
    z-index: 100;
}

.bigwrapper {
    font-size: 0;
    width: 100%;
    height: 100%;
}

.wrapperleft,
.wrapperright{
    display: inline-block;
    font-size: 0;
}

.stripe {
    background-color: #f2f2f2;
    padding: 0;
    margin: 0;
    width: 50%;
    height: 100%;
    display: inline-block;
    overflow: scroll;
    overflow-x: hidden;
}

@keyframes title {
    0% {
        left: 100%;
        color: #0f0;
    }
    
    69.9% {
        left: 0%;
        color: #0f0;
    }
    
    70% {
        left: 100%;
        color: #f00;
    }
    
    99.9% {
        left: 0%;
        color: #f00;
    }
    
    100% {
        left: 100%;
        color: #0f0;
    }
}

h1 {
    text-align: center;
    width: 100px;
    color: #ffffff;
    font-size: 20px;
    left: 50%;
    top: 50%;
    position: fixed;
    transform: translateY(-50%);
    transform: translateX(-50%);
    animation: title 30s infinite linear;
    z-index: 100;
}

img {
    margin: 10px;
    height: auto;
    display: inline-block;
}

.center {
    text-align: center;
}

.right {
    text-align: right;
}

.rotate {
    transform: rotate(180deg);
}

.blank {
    height: 200px;
    display: block;
}

.line {
    height: 50px;
    display: block;
}

@keyframes traffic {
    0% {
    opacity: 0;
    }
    69.9% {
    opacity: 0;   
    }
    70% {
    opacity: 1;
    }
    99.9% {
    opacity: 1;
    }
    100% {
    opacity: 0;
    }
}

.traffic {
    animation: traffic 30s linear infinite;
    position: fixed;
    opacity: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    margin: auto 0;
    text-align: center;
    pointer-events: none;
    z-index: 90;
}

.cars {
    width: 230px;
    display: inline-block;
    margin: 0;
}

.upper {
    top: 0;
    display: inline-block;
    position: fixed;
    width: 90%;
    left: 0;
}

.bottom {
    bottom: 0;
    display: inline-block;
    position: fixed;
    width: 90%;
    right: 0;
}

.up {
    transform: translate(0, 20px);
}

.down {
    transform: translate(0, -20px);
}

.leftcar {
    transform: translate(20px);
}

.rightcar {
    transform: translate(-20px);
}

.car {
    margin: 10px;
}

@keyframes back {
    0% {
    opacity: 0;
    }
    69.9% {
    opacity: 0;   
    }
    70% {
    opacity: 0.75;
    pointer-events: auto;
    }
    99.9% {
    opacity: 0.75;
    pointer-events: auto;
    }
    100% {
    opacity: 0;
    }
}

.background {
    animation: back 30s linear infinite;
    background-color: white;
    opacity: 0;
    top: 0;
    height: 100%;
    width: 100%;
    position: fixed;
    z-index: 50;
    pointer-events: none;
}