html, body {
    height: 100%;
    width: 100%;
    margin: 0px;
    padding: 0px;
    background-color: white;
}

#cupcake {
    flex-direction: row;
    -webkit-flex-direction: row;
    -ms-flex-direction: row;
    -mos-flex-direction: row;
    -o-flex-direction: row;
    justify-content: center;
    -webkit-justify-content: center;
    -ms-justify-content: center;
    height: 100%;
    width: 100%;
    background-color: white;
}

.letter {
    font-size: 100px;
    color: #222;
    font-family: tahoma;
}

.box {
    display: box;
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
}

.cupcakeCircle, .cupcakeInner, .cupcakeCore {
    border-radius: 50%;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    -ms-border-radius: 50%;
}

.cupcake, .letter, .cupcakeCircle, .cupcakeInner, .cupcakeCore {
    flex: none;
    -webkit-flex: none;
    -moz-flex: none;
    -ms-flex: none;
    -o-flex: none;
}

.letter, .cupcakeCircle {
    align-self: center;
    -webkit-align-self: center;
    -moz-align-self: center;
    -o-align-self: center;
    -ms-align-self: center;
}

.cupcakeCircle {
    align-items: center;
    -ms-align-items: center;
    justify-content: center;
    -ms-justify-content: center;
    height: 100px;
    width: 100px;
    background-color: #222;
}

.cupcakeInner {
    align-self: center;
    -ms-align-self: center;
    justify-content: center;
    -ms-justify-content: center;
    height: 50%;
    width: 50%;
    background-color: white;
    -webkit-animation-name: cupcakeAnimate;
    -webkit-animation-duration: 500ms;
    -webkit-animation-direction: alternate;
    -webkit-animation-timing-function: ease-in-out;
    -webkit-animation-iteration-count: infinite;
}

.cupcakeCore {
    align-self: center;
    -ms-align-self: center;
    height: 25%;
    width: 25%;
    background-color: #222;
    -webkit-animation-name: coreAnimate;
    -webkit-animation-duration: 1s;
    -webkit-animation-direction: alternate;
    -webkit-animation-timing-function: ease-in-out;
    -webkit-animation-iteration-count: infinite;
}

@-webkit-keyframes cupcakeAnimate {
    to {
        height: 90%;
        width: 90%;
    }
}

@keyframes cupcakeAnimate {
    to {
        height: 90%;
        width: 90%;
    }
}

@-webkit-keyframes coreAnimate {
    to {
        height: 90%;
        width: 90%;
    }
}

@keyframes coreAnimate {
    to {
        height: 90%;
        width: 90%;
    }
}