form.css

@import url(https://fonts.googleapis.com/css?family=Ubuntu);
* {
    margin: 0;
    padding: 0;
}
:root{
    --color-primary: #4687cc;
    --color-secondary: #dfb26f;
    --color-tertiary: #d52121;
    --color-chocolate: #4d311b;
    --color-chocolate-icing: #241306;
    --color-strawberry: #ca8186;
    --color-strawberry-icing: #ffd2dc;
    --color-pistachio: #9dd8bb;
    --color-pistachio-icing: #cce8e3;
    --color-red-velvet: #681d1d;
    --color-red-velvet-icing: #dcc6c0;
    --color-text-base: #d0f4ff;
    --font-primary: "Ubuntu", sans-serif;
}
body {
    background: var(--color-primary);
    font-family: var(--font-primary);
    font-size: 100%;
}
.container {
    position: absolute;
    width: 300px;
    height: 400px;
    top: calc(50% - 200px);
    left: calc(50% - 150px);
}
.cake {
    position: absolute;
    width: 150px;
    bottom: 100px;
    left: calc(50% - 75px);
}
.cake-layer {
    position: relative;
    width: 150px;
    height: 25px;
}
.middle-layer {
    height: 15px;
}
.cake-icing {
    position: relative;
    width: 150px;
    height: 12px;
    border-radius: 10px 10px 0 0;
}
.drip-container {
    position: relative;
    transform: translate3d(0, 0, 0);
    top: 0;
    left: 0;
    z-index: 2;
}
.cake-icing-drip {
    position: absolute;
    top: 5px;
    left: 10px;
    width: 10px;
    height: 20px;
    border-radius: 10px;
    z-index: 1; 
}
.drip-2 {
    top: 0px;
    left: 25px;
    width: 10px;
    height: 35px;
}
.drip-3 {
    left: 40px;
    height: 15px;
}
.top .cake-layer,
.top .cake-icing {
    width: 116px;
    margin-left: 17px;
    height: 15px;
}
h2{
    color:white;
}
input{
    width: 100%;
  padding: 12px 20px;
  margin: 8px 0;
  
box-sizing: border-box;
}
#rando-button  {
    position: absolute;
    left: calc(50% - 81px);
    bottom: 0px;
    display: inline-block;
    width: 120px;
    text-align: center;
    background: transparent;
    padding: 10px 20px;
    border: 2px solid var(--color-text-base);
    color: var(--color-text-base);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.8rem;
    border-radius: 2px;
}
#rando-button:hover {
    cursor: pointer;
}
.sparkler {
    position: relative;
    width: 40px;
    height: 40px;
    margin-left: 55px;
    border-radius: 50px;
    top: 15px;
    z-index: 4;
}
.sparkler div {
    position: absolute;
    display: block;
    width: 1px;
    height: 40px;
    top: 0;
    left: 17px;
    background: transparent;
    z-index: 3;
    transform: rotate(0);
}
.sparkler div:nth-of-type(2) {
    transform: rotate(45deg);
    left: 20px;
}
.sparkler div:nth-of-type(3) {
    transform: rotate(90deg);
}
.sparkler div:nth-of-type(4) {
    transform: rotate(135deg);
}
.sparkler div span {
    position: relative;
    display: block;
    width: 2px;
    height: 2px;
    margin: 4px;
    background: white;
    border-radius: 2px;
    animation-name: sparkle-effect;
    transform-origin: center center;
    animation-iteration-count: infinite;
    animation-duration: .1s;
}
.sparkler div span:nth-last-of-type(2) {
    animation-duration: .2s;
}
.sparkler div span:nth-last-of-type(3) {
    animation-duration: .3s;
}
.sparkler div span:nth-last-of-type(3) {
    animation-duration: .4s;
}
.sparkler div span:nth-last-of-type(4) {
    animation-duration: .5s;
}
.sparkler-stem {
    position: relative;
    width: 2px;
    height: 30px;
    margin-left: 73px;
    background: #333;
}
.bounce-cake .cake-layer {
    animation-name: open-layers;
    transform-origin: center bottom;
    animation-duration: 0.7s;
    animation-fill-mode: both;
}
.bounce-cake .drip-container,
.bounce-cake .sparkler,
.bounce-cake .sparkler-stem {
    animation-name: gravity-icing;
    transform-origin: center bottom;
    animation-duration: 1.7s;
    animation-fill-mode: both;
}
.bounce-cake {
    animation-name: bounce-cake;
    transform-origin: center bottom;
    animation-duration: 1.5s;
    animation-fill-mode: both;
}
@keyframes rotate-sparkler {
    from {transform:rotate(0deg);}
    to {transform:rotate(360deg);}
}
@keyframes sparkle-effect {
    from, to {
        animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
        transform: scale(1);
        opacity: 0;
    }

    40%, 43% {
        transform: scale(1.2);
        opacity: 1;
    }

    70% {
        transform: scale(1.1);
        opacity: 0;
    }
}  
@keyframes gravity-icing {
    from, 20%, 53%, 80%, to {
        animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
        transform: translate3d(0,0,0);
    }

    40%, 43% {
        animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
        transform: translate3d(0, -40px, 0);
    }

    70% {
        animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
        transform: translate3d(0, -5px, 0);
    }
} 
@keyframes open-layers {
    from, 50%, to {
        animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
        margin-top: 0;
        transform: none;
    }
    60% {
        animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
        margin-top: 20px;
        transform: skewX(-1.5deg) skewY(-1.5deg);
    }
} 
@keyframes bounce-cake {
    from, 20%, 53%, 80%, to {
        animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
        transform: translate3d(0,0,0);
    }

    40%, 43% {
        animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
        transform: translate3d(0, -120px, 0);
    }

    70% {
        animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
        transform: translate3d(0, -5px, 0);
    }
}
.default-cake .cake-layer {
background: var(--color-secondary);
}
.default-cake .cake-icing,
.default-cake .cake-icing-drip {
background: var(--color-tertiary);
}
.chocolate-cake .cake-layer {
background: var(--color-chocolate);
}
.chocolate-cake .cake-icing,
.chocolate-cake .cake-icing-drip {
background: var(--color-chocolate-icing);
}
.strawberry-cake .cake-layer {
background: var(--color-strawberry);
}
.strawberry-cake .cake-icing,
.strawberry-cake .cake-icing-drip {
background: var(--color-strawberry-icing);
}
.pistachio-cake .cake-layer {
background: var(--color-pistachio);
}
.pistachio-cake .cake-icing,
.pistachio-cake .cake-icing-drip {
background: var(--color-pistachio-icing);
}
.red-velvet-cake .cake-layer {
background: var(--color-red-velvet);
}
.red-velvet-cake .cake-icing,
.red-velvet-cake .cake-icing-drip {
background: var(--color-red-velvet-icing);
}
.default-cake .middle-layer,
.chocolate-cake .middle-layer,
.strawberry-cake .middle-layer,
.pistachio-cake .middle-layer,
.red-velvet-cake .middle-layer {
background: white;
}