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

.game-board {
    width: 100%;
    height: 500px;
    border-bottom: 15px solid rgb(35, 160, 35);
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    background: linear-gradient(#87CEEB, #E0F6FF);
}

.pipe {
    position: absolute;
    bottom: 0;
    width: 80px;
    /* left: 0px; */
    animation: pipe-animation 1.5s infinite linear;
}

@keyframes pipe-animation {
    from {
        right: -80px;
    }
    to {
        right: 100%;
    }
}

.mario {
    width: 150px;
    position: absolute;
    bottom: 0;
}

.jump {
    animation: jump 500ms ease-out;
}

@keyframes jump {
   0% {
    bottom: 0;
   } 
   40% {
    bottom: 180px;
   }
   50% {
    bottom: 180px;
   }
   60% {
    bottom: 180px;
   }
   100% {
    bottom: 0;
   }
}

.clouds {
    position: absolute;
    width: 550px;
    animation: clouds-animation 20s infinite linear;
}

@keyframes clouds-animation {
    from {
      right: -550px;
    }
    to {
     right: 100%;
    }
}

.score {
    font-size: 35px;
    margin-right:0;
    color: rgb(168, 146, 21);
    position: absolute;
}