body {
    width: 900px;
    margin: 0 auto;
    overflow: scroll;
    font-family: Geneva, Tahoma, Verdana, sans-serif;
    letter-spacing: 2px;
    background-color: black;
}

h1 {
    font-size: 32px;
    margin-bottom: 20px;
    font-family: "Nerko One";
}

h2 {
    font-size: 22px;
    font-family: "Shantell Sans";
}

h3 {
    margin-bottom: 40px;
}

a:link {
    color: #329999;
    text-decoration: none;
}

a:visited {
    color: #329999;
    text-decoration: none;
}

a:hover {
    color: #80007f;
    text-decoration: none;
}

#container_main {
    position: relative;
    background-color: beige;
    padding-top: 15px;
}

#content_wrap {
    width: 900px;
    min-height: 650px;
    margin: 0 auto;
    padding-bottom: 50px;
    padding-top: 25px;
    display: flex;
    /* background-color: aqua; */
}

#container_left {
    float: left;
    width: 300px;
}

#container_right {
    float: right;
    width: 600px;
    height: 610px;
    border-style: solid ;
    border-color: black;
    border-width: 2px;
}

#title {
    margin-top: 30px;
    margin-left: 30px;
}

#message_container {
    display: none;
    position: absolute;
    left: 300px;
    width: 600px;

    padding-top: 300px;
    text-align: center;
}

#replay {
    display: none;
}



#ball {
    height: 120px;
    width: 120px;
    background-color:lime;
    margin: 0 auto;
    cursor: pointer;
    border-radius: 50%;
    border-style: solid;
    border-color: black;

    -webkit-animation: bounce 12s infinite;
    -moz-animation: bounce 12s infinite;
    -o-animation: bounce 12s infinite;
    animation: bounce 12s infinite;
}

footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50px;
    text-align: left;
    background-color: #329999;
}

#footer_links {
    margin: 17px;
}

footer a:link {
    margin-right: 10px;
    color: #fff;
}

footer a:visited {
    color: #fff;
    text-decoration: none;
}

.clear {
    clear: both;
}

/* Animation Keyframes */

@-webkit-keyframes bounce {
    0% {
        margin-top: 0px;
        -webkit-animation-timing-function: ease-in;
    }

    11% {
        width: 120px;
    }

    12% {
        margin-top: 500px;
        width: 135px;
        -webkit-animation-timing-function: ease-out;
    }

    13% {
        width: 120px;
    }

    25% {
        margin-top: 0px;
        -webkit-animation-timing-function: ease-in;
    }

    36% {
        width: 120px;
    }

    37% {
        margin-top: 500px;
        width: 135px;
        -webkit-animation-timing-function: ease-out;
    }

    38% {
        width: 120px;
    }

    49% {
        margin-top: 0px;
        -webkit-animation-timing-function: ease-in;
    }

    60% {
        width: 120px;
    }

    61% {
        margin-top: 500px;
        width: 135px;
        -webkit-animation-timing-function: ease-out;
    }

    62% {
        width: 120px;
    }

    75% {
        margin-top: 0px;
        -webkit-animation-timing-function: ease-in;
    }

    86% {
        width: 120px;
    }

    87% {
        margin-top: 500px;
        width: 135px;
        -webkit-animation-timing-function: ease-out;
    }

    88% {
        width: 120px;
    }

    100% {
        margin-top: 0px;
        -webkit-animation-timing-function: ease-in;
    }
}

@-moz-keyframes bounce {
    0% {
        margin-top: 0px;
        -moz-animation-timing-function: ease-in;
    }

    11% {
        width: 120px;
    }

    12% {
        margin-top: 500px;
        width: 135px;
        -moz-animation-timing-function: ease-out;
    }

    13% {
        width: 120px;
    }

    25% {
        margin-top: 0px;
        -moz-animation-timing-function: ease-in;
    }

    36% {
        width: 120px;
    }

    37% {
        margin-top: 500px;
        width: 135px;
        -moz-animation-timing-function: ease-out;
    }

    38% {
        width: 120px;
    }

    49% {
        margin-top: 0px;
        -moz-animation-timing-function: ease-in;
    }

    60% {
        width: 120px;
    }

    61% {
        margin-top: 500px;
        width: 135px;
        -moz-animation-timing-function: ease-out;
    }

    62% {
        width: 120px;
    }

    75% {
        margin-top: 0px;
        -moz-animation-timing-function: ease-in;
    }

    86% {
        width: 120px;
    }

    87% {
        margin-top: 500px;
        width: 135px;
        -moz-animation-timing-function: ease-out;
    }

    88% {
        width: 120px;
    }

    100% {
        margin-top: 0px;
        -moz-animation-timing-function: ease-in;
    }
}

@-o-keyframes bounce {
    0% {
        margin-top: 0px;
        -o-animation-timing-function: ease-in;
    }

    11% {
        width: 120px;
    }

    12% {
        margin-top: 500px;
        width: 135px;
        -o-animation-timing-function: ease-out;
    }

    13% {
        width: 120px;
    }

    25% {
        margin-top: 0px;
        -o-animation-timing-function: ease-in;
    }

    36% {
        width: 120px;
    }

    37% {
        margin-top: 500px;
        width: 135px;
        -o-animation-timing-function: ease-out;
    }

    38% {
        width: 120px;
    }

    49% {
        margin-top: 0px;
        -o-animation-timing-function: ease-in;
    }

    60% {
        width: 120px;
    }

    61% {
        margin-top: 500px;
        width: 135px;
        -o-animation-timing-function: ease-out;
    }

    62% {
        width: 120px;
    }

    75% {
        margin-top: 0px;
        -o-animation-timing-function: ease-in;
    }

    86% {
        width: 120px;
    }

    87% {
        margin-top: 500px;
        width: 135px;
        -o-animation-timing-function: ease-out;
    }

    88% {
        width: 120px;
    }

    100% {
        margin-top: 0px;
        -o-animation-timing-function: ease-in;
    }
}

@keyframes bounce {
    0% {
        margin-top: 0px;
        animation-timing-function: ease-in;
    }

    11% {
        width: 120px;
    }

    12% {
        margin-top: 500px;
        width: 135px;
        animation-timing-function: ease-out;
    }

    13% {
        width: 120px;
    }

    25% {
        margin-top: 0px;
        animation-timing-function: ease-in;
    }

    36% {
        width: 120px;
    }

    37% {
        margin-top: 500px;
        width: 135px;
        animation-timing-function: ease-out;
    }

    38% {
        width: 120px;
    }

    49% {
        margin-top: 0px;
        animation-timing-function: ease-in;
    }

    60% {
        width: 120px;
    }

    61% {
        margin-top: 500px;
        width: 135px;
        animation-timing-function: ease-out;
    }

    62% {
        width: 120px;
    }

    75% {
        margin-top: 0px;
        animation-timing-function: ease-in;
    }

    86% {
        width: 120px;
    }

    87% {
        margin-top: 500px;
        width: 135px;
        animation-timing-function: ease-out;
    }

    88% {
        width: 120px;
    }

    100% {
        margin-top: 0px;
        animation-timing-function: ease-in;
    }
}