external.css

*{
    padding: 1%;
    margin: 0;
    overflow-x: hidden;
    background-color: black;
    color: white;
}
.game{
    width: 600px;
    height: 400px;
    margin: auto;
    background-position: fixed;
    
}
#character{
    border-color: cyan;
    border-style: dotted;
    width: 20px;
    height: 60px;
    background-color: grey;
    position:relative;
    top: 150px;
    border-radius: 14%;
}
.animate{
    animation: jump 0.3s linear;
}
#block{
    background-color: white;
    width: 20px;
    height: 8px;
    position: relative;
    top: 130px;
    left: 500px;
    animation: block 1.3s infinite linear;
    border-radius: 30%;
}
@keyframes block{
    0%{left: 500px}
    100%{left: -20px}
}

/*jump animation*/
@keyframes jump{
    0%{top: 160px;}
    30%{top: 100px;}
    70%{top: 100px;}
    100%{top: 160px;}
}
p{
    text-align: center;
}
.i:hover{
    color: yellow;
    font-size: 20px;
    text-decoration: underline;
}