body {
    background-color: rgba(255, 255, 255, 0);
    margin-top: 4rem;
}

button {
    background-color: rgba(255, 0, 0, 0.475);
    color: white;
}

button:hover {
    background-color: red;
    color: white;
}

.snowflake {
color: #fff;
font-size: 1em;
font-family: Arial, sans-serif;
text-shadow: 0 0 5px #000;
}

.snowflake,.snowflake .inner {
    animation-iteration-count:infinite;
    animation-play-state:running
}

@keyframes snowflakes-fall{0%{transform:translateY(0)}100%{transform:translateY(110vh)}}
@keyframes snowflakes-shake{0%,100%{transform:translateX(0)}50%{transform:translateX(80px)}}

.snowflake {
    position:fixed;
    top:-10%;
    z-index:9999;
    -webkit-user-select:none;
    user-select:none;
    cursor:default;
    animation-name:snowflakes-shake;
    animation-duration:3s;
    animation-timing-function:ease-in-out
}

.snowflake .inner {
    animation-duration:10s;
    animation-name:snowflakes-fall;
    animation-timing-function:linear
}

.snowflake:nth-of-type(0) {
    left:1%;
    animation-delay:0s
}

.snowflake:nth-of-type(0) .inner {
    animation-delay:0s
}

.snowflake:first-of-type {
    left:10%;animation-delay:1s
}

.snowflake:first-of-type .inner,.snowflake:nth-of-type(8) .inner {
    animation-delay:1s
}

.snowflake:nth-of-type(2) {
    left:20%;animation-delay:.5s
}

.snowflake:nth-of-type(2) .inner,.snowflake:nth-of-type(6) .inner {
    animation-delay:6s
}

.snowflake:nth-of-type(3) {
    left:30%;animation-delay:2s
}

.snowflake:nth-of-type(11) .inner,.snowflake:nth-of-type(3) .inner {
    animation-delay:4s
}

.snowflake:nth-of-type(4) {
    left:40%;animation-delay:2s
}

.snowflake:nth-of-type(10) .inner,.snowflake:nth-of-type(4) .inner {
    animation-delay:2s
}

.snowflake:nth-of-type(5) {
    left:50%;animation-delay:3s
}

.snowflake:nth-of-type(5) .inner {
    animation-delay:8s
}

.snowflake:nth-of-type(6) {
    left:60%;animation-delay:2s
}

.snowflake:nth-of-type(7) {
    left:70%;animation-delay:1s
}

.snowflake:nth-of-type(7) .inner {
    animation-delay:2.5s
}

.snowflake:nth-of-type(8) {
    left:80%;animation-delay:0s
}

.snowflake:nth-of-type(9) {
    left:90%;animation-delay:1.5s
}

.snowflake:nth-of-type(9) .inner {
    animation-delay:3s
}

.snowflake:nth-of-type(10) {
    left:25%;animation-delay:0s
}

.snowflake:nth-of-type(11) {
    left:65%;animation-delay:2.5s
}