/**
* get random number.
* @param {number} min - min number.
* @param {number} max - max number.
*/

* {
    margin: 0;
    padding: 0;
    list-style-type: none;
}

body {
    font-family: sans-serif;
    background: #000;
    font-size: 67.5%;
    color: #ff1493;
}

canvas {
    z-index: 0;
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
}

h1 {
    z-index: 2;
    position: fixed;
    font-size: 2.4rem;
    top: 5%;
    left: 5%;
    line-height: 3.2rem;
}

h2 {
    position: fixed;
    bottom: 5%;
    right: 5%;
    text-align: right;
    font-size: 1rem;
    opacity: 0;
}

span {
    position: absolute;
    opacity: 0;
}

.delay:nth-of-type(1) {
    -webkit-animation: span-animation-1 1s linear 2s 1 normal forwards;
    animation: span-animation-1 1s linear 2s 1 normal forwards;
}

.delay:nth-of-type(2) {
    -webkit-animation: span-animation-2 1s linear 2.4s 1 normal forwards;
    animation: span-animation-2 1s linear 2.4s 1 normal forwards;
}

.delay:nth-of-type(3) {
    -webkit-animation: span-animation-3 1s linear 2.8s 1 normal forwards;
    animation: span-animation-3 1s linear 2.8s 1 normal forwards;
}

.delay:nth-of-type(4) {
    -webkit-animation: span-animation-4 1s linear 3.2s 1 normal forwards;
    animation: span-animation-4 1s linear 3.2s 1 normal forwards;
}

@-webkit-keyframes span-animation-1 {
    0% {
        transform: translateY(20px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes span-animation-1 {
    0% {
        transform: translateY(20px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

@-webkit-keyframes span-animation-2 {
    0% {
        transform: translateY(20px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes span-animation-2 {
    0% {
        transform: translateY(20px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

@-webkit-keyframes span-animation-3 {
    0% {
        transform: translateY(20px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes span-animation-3 {
    0% {
        transform: translateY(20px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

@-webkit-keyframes span-animation-4 {
    0% {
        transform: translateY(20px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes span-animation-4 {
    0% {
        transform: translateY(20px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

@media (min-width: 500px) {
    h1 {
        font-size: 4rem;
        line-height: 4.8rem;
    }
}