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

@keyframes mario-animation {
    0% {
        bottom: 0;
    }

    40%{
        bottom: 160px;
    }

    50% {
        bottom: 160px;
    }

    60%{
        bottom: 160px;
    }

    100% {
        bottom: 0;
    }
}

@keyframes pipe-animation {
    from {
        right: -60px;
    }

    to {
        right: 100%;
    }
}

@keyframes clouds-animation {
    from{
        right: -600px;
    }

    to{
        right: 100%;
    }
}

@keyframes lose {
    from {
        bottom: 150px;
    }

    to {
        bottom: -50px;
    }
}


body{
    background-color: rgb(31, 31, 31);
}

.game {
    position: relative;
    width: 100%;
    height: 500px;
    border-bottom: 25px solid green;
    margin: 0 auto;
    background: linear-gradient(#89cfeb,#e5f6ff);
    max-width: 1000px;
    overflow: hidden;
}

.mario {
    position: absolute;
    bottom: 0;
    left: 50px;
    width: 120px;
    z-index: 999;
    animation: none;
}

.jump {
    animation: mario-animation 500ms linear;
}

.pipe {
    position: absolute;
    bottom: 0;
    width: 60px;
    right: 60px;
    animation: pipe-animation 1.5s infinite linear;
    
}


.clouds {
    position: absolute;
    width: 600px;
    height: 200px;
    right: -600px;
    animation: clouds-animation 20s infinite linear;
}


.over {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    width: 500px;
    text-align: center;
    font-size: 5em;
    color: red;
    display: none;
}   

.info {
    position: relative;
    top: 50px;
}

.info h3 {
    float: left;
    width: 50%;
    text-align: center;
    color: red;
}

.info h3 span {
    color: gray;
}