* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
canvas {
    position: absolute;
    top: 0;
    left: 0;
}
body {
    background: #01360b;
    overflow: hidden;
}
.container {
    color: rgba(55, 59, 65, 0.8);
    font-family: Helvetica, sans-serif;
    font-weight: lighter;
    text-align: center;
}

h1 {
    font-weight: normal;
}
li {
    display: inline-block;
    font-size: 1.5em;
    list-style-type: none;
    padding: 1em;
    text-transform: uppercase;
}
li span {
    display: block;
    font-size: 4.5rem;
}
.merrywrap {
    position: absolute;
    right: 40px;
    left: 40px;
    bottom: 80px;
    top: 40px;
}
.giftbox {
    position: absolute;
    width: 300px;
    height: 200px;
    left: 50%;
    margin-left: -150px;
    bottom: 0;
    z-index: 10;
}
.giftbox > div {
    background: #f64747;
    position: absolute;
    box-shadow: 5px 10px 18px rgba(0, 0, 0, 0.4);
}
.giftbox > div:after,
.giftbox > div:before {
    position: absolute;
    content: "";
    top: 0;
}
.giftbox:after {
    position: absolute;
    color: #000;
    width: 100%;
    /* content: "press me"; */
    left: 0;
    bottom: 0;
    font-size: 24px;
    text-align: center;
    transform: rotate(-20deg);
    transform-origin: 0 0;
}
.giftbox .cover {
    width: 100%;
    top: 0;
    left: 0;
    height: 25%;
    z-index: 2;
}
.giftbox .cover:before {
    position: absolute;
    height: 100%;
    left: 50%;
    width: 50px;
    transform: translateX(-50%);
    background: #ffffff;
}
.giftbox .cover > div {
    position: absolute;
    width: 50px;
    height: 50px;
    left: 50%;
    top: -50px;
    transform: translateX(-50%);
}
.giftbox .cover > div:before,
.giftbox .cover > div:after {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    content: "";
    box-shadow: inset 0 0 0 15px #ffffff;
    border-radius: 30px;
    transform-origin: 50% 100%;
}
.giftbox .cover > div:before {
    transform: translateX(-45%) skewY(40deg);
}
.giftbox .cover > div:after {
    transform: translateX(45%) skewY(-40deg);
}
.giftbox .box {
    right: 5%;
    left: 5%;
    height: 80%;
    bottom: 0;
}
.giftbox .box:before {
    width: 50px;
    height: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: #ffffff;
}
.giftbox .box:after {
    width: 100%;
    height: 30px;
    background: rgba(0, 0, 0, 0);
}
.step-1 .giftbox {
    animation: wobble 0.5s linear infinite forwards;
}
.step-1 .cover {
    animation: wobble 0.5s linear infinite 5s forwards;
}
.step-1 .icons .row span {
    opacity: 1;
}
.step-2 .giftbox:after {
    opacity: 0;
}
.step-3 .giftbox,
.step-4 .giftbox {
    opacity: 0;
    z-index: 1;
}
.step-3 .giftbox:after,
.step-4 .giftbox:after {
    opacity: 0;
}
.step-2 .giftbox .cover {
    animation: flyUp 2s ease-in forwards;
}
.step-2 .giftbox .box {
    animation: flyDown 2s ease-in 0.05s forwards;
}
@keyframes wobble {
    25% {
        transform: rotate(4deg);
    }
    75% {
        transform: rotate(-2deg);
    }
}
@keyframes flyUp {
    75% {
        opacity: 1;
    }
    100% {
        transform: translateY(-1000px) rotate(20deg);
        opacity: 0;
    }
}
@keyframes flyDown {
    75% {
        opacity: 1;
    }
    100% {
        transform: translateY(100%);
        opacity: 0;
    }
}