Pacman

Source

<style>
#t {
    width: 500px;
    height: 500px;
    background: #000;
    position: relative;
}

#extBorder {
    position: absolute;
    border: 10px double #5858FF;
    top: 15px;
    left: 15px;
    right: 15px;
    bottom: 15px;
}

#intBorder {
    position: absolute;
    border: 10px double #5858FF;
    top: 130px;
    left: 130px;
    right: 130px;
    bottom: 130px;
}

#pacman {
    animation: movePac 5s linear infinite;
    -moz-animation: movePac 5s linear infinite;
    -webkit-animation: movePac 5s linear infinite;
    -o-animation: movePac 5s linear infinite;
    position: absolute;
    top: 50px;
    left: 50px;
    width: 60px;
    height: 60px;
    background: #ffff58;
    border-radius: 60px;
    z-index: 100;
}

#mouth {
    animation: mouthPac 0.6s linear infinite;
    -moz-animation: mouthPac 0.6s linear infinite;
    -webkit-animation: mouthPac 0.6s linear infinite;
    -o-animation: mouthPac 0.6s linear infinite;
    position: absolute;
    width: 0px;
    height: 0px;
    border-color: transparent #000 transparent transparent;
    top: 17px;
    left: 30px;
    border-style: solid;
    border-width: 15px 30px 15px 0;
}

.ball {
    position: absolute;
    background: #FFFFAB;
    width: 15px;
    height: 15px;
}

#b1 {
    animation: b1 5s linear infinite;
    -moz-animation: b1 5s linear infinite;
    -webkit-animation: b1 5s linear infinite;
    -o-animation: b1 5s linear infinite;
    top: 70px;
    right: 70px;
}

#b2 {
    animation: b2 5s linear infinite;
    -moz-animation: b2 5s linear infinite;
    -webkit-animation: b2 5s linear infinite;
    -o-animation: b2 5s linear infinite;
    bottom: 70px;
    right: 70px;
}

#b3 {
    animation: b3 5s linear infinite;
    -moz-animation: b3 5s linear infinite;
    -webkit-animation: b3 5s linear infinite;
    -o-animation: b3 5s linear infinite;
    bottom: 70px;
    left: 70px;
}

@keyframes movePac {
    25% {top:50px;left:400px;transform: rotate(0deg);}
    26% {top:50px;left:400px;transform: rotate(90deg);}
    50% {top:400px;left:400px;transform: rotate(90deg);}
    51% {top:400px;left:400px;transform: rotate(180deg);}
    75% {top:400px;left:50px;transform: rotate(180deg);}
    76% {top:400px;left:50px;transform: rotate(270deg);}
    99% {top:50px;left:50px;transform: rotate(270deg);}
    100% {top:50px;left:50px;transform: rotate(360deg);}
}

@keyframes mouthPac {
    100% {top:30px;left:30px;border-style: solid;border-width: 2px 30px 2px 0;}
}

@keyframes b1 {
    25% {background: #FFFFAB;}
    26% {background: #000;}
    100% {background: #000;}
}

@keyframes b2 {
    50% {background: #FFFFAB;}
    51% {background: #000;}
    100% {background: #000;}
}

@keyframes b3 {
    75% {background: #FFFFAB;}
    76% {background: #000;}
    100% {background: #000;}
}

/*moz*/
@-moz-keyframes movePac {
    25% {top:50px;left:400px;transform: rotate(0deg);}
    26% {top:50px;left:400px;transform: rotate(90deg);}
    50% {top:400px;left:400px;transform: rotate(90deg);}
    51% {top:400px;left:400px;transform: rotate(180deg);}
    75% {top:400px;left:50px;transform: rotate(180deg);}
    76% {top:400px;left:50px;transform: rotate(270deg);}
    99% {top:50px;left:50px;transform: rotate(270deg);}
    100% {top:50px;left:50px;transform: rotate(360deg);}
}

@-moz-keyframes mouthPac {
    100% {top:30px;left:30px;border-style: solid;border-width: 2px 30px 2px 0;}
}

@-moz-keyframes b1 {
    25% {background: #FFFFAB;}
    26% {background: #000;}
    100% {background: #000;}
}

@-moz-keyframes b2 {
    50% {background: #FFFFAB;}
    51% {background: #000;}
    100% {background: #000;}
}

@-moz-keyframes b3 {
    75% {background: #FFFFAB;}
    76% {background: #000;}
    100% {background: #000;}
}

/*webkit*/
@-webkit-keyframes movePac {
    25% {top:50px;left:400px;-webkit-transform: rotate(0deg);}
    26% {top:50px;left:400px;-webkit-transform: rotate(90deg);}
    50% {top:400px;left:400px;-webkit-transform: rotate(90deg);}
    51% {top:400px;left:400px;-webkit-transform: rotate(180deg);}
    75% {top:400px;left:50px;-webkit-transform: rotate(180deg);}
    76% {top:400px;left:50px;-webkit-transform: rotate(270deg);}
    99% {top:50px;left:50px;-webkit-transform: rotate(270deg);}
    100% {top:50px;left:50px;-webkit-transform: rotate(360deg);}
}

@-webkit-keyframes mouthPac {
    100% {top:30px;left:30px;border-style: solid;border-width: 2px 30px 2px 0;}
}

@-webkit-keyframes b1 {
    25% {background: #FFFFAB;}
    26% {background: #000;}
    100% {background: #000;}
}

@-webkit-keyframes b2 {
    50% {background: #FFFFAB;}
    51% {background: #000;}
    100% {background: #000;}
}

@-webkit-keyframes b3 {
    75% {background: #FFFFAB;}
    76% {background: #000;}
    100% {background: #000;}
}

/*o*/
@-o-keyframes movePac {
    25% {top:50px;left:400px;transform: rotate(0deg);}
    26% {top:50px;left:400px;transform: rotate(90deg);}
    50% {top:400px;left:400px;transform: rotate(90deg);}
    51% {top:400px;left:400px;transform: rotate(180deg);}
    75% {top:400px;left:50px;transform: rotate(180deg);}
    76% {top:400px;left:50px;transform: rotate(270deg);}
    99% {top:50px;left:50px;transform: rotate(270deg);}
    100% {top:50px;left:50px;transform: rotate(360deg);}
}

@-o-keyframes mouthPac {
    100% {top:30px;left:30px;border-style: solid;border-width: 2px 30px 2px 0;}
}

@-o-keyframes b1 {
    25% {background: #FFFFAB;}
    26% {background: #000;}
    100% {background: #000;}
}

@-o-keyframes b2 {
    50% {background: #FFFFAB;}
    51% {background: #000;}
    100% {background: #000;}
}

@-o-keyframes b3 {
    75% {background: #FFFFAB;}
    76% {background: #000;}
    100% {background: #000;}
}
</style>

<div id="t">
    <div id="extBorder"></div>
    <div id="intBorder"></div>
    <div id="pacman">
        <div id="mouth"></div>
    </div>
    <div id='b1' class='ball'></div>
    <div id='b2' class='ball'></div>
    <div id='b3' class='ball'></div>
</div>