frontend/src/NotFound.vue

<style lang="scss" scoped>
.notfound {
    margin: 0;
    // min-height: 73vh;
    height: 100%;
    overflow: hidden;
    font-family: "Libre Franklin", sans-serif;
    font-size: 62.5%;
    background-image: linear-gradient(0deg, #e8f4f8, lightblue);
    .error {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        display: flex;
        flex-direction: column;
        align-items: center;
        white-space: nowrap;
        text-transform: uppercase;
        font-size: 2rem;
        font-weight: 900;
        color: #ffffff;
        text-shadow: 10px 10px 50px #e6e6e6;
        opacity: 0.8;
        user-select: none;
        span {
            display: block;
            &:nth-child(2) {
                font-size: 10rem;
            }
        }
    }
    .sun {
        position: absolute;
        top: 4em;
        left: 4em;
        width: 100px;
        height: 100px;
        border-radius: 50%;
        background-image: radial-gradient(circle at 50%, #ffffff 50%, #f5de19);
        box-shadow: 0px 0px 40px #f5de19, inset 0px 0px 100px #f5de19;
        animation: sun 5s linear infinite;
    }
    .clouds {
        position: absolute;
        right: 0;
        bottom: 35vh;
        left: 0;
        opacity: 0.5;
        div {
            position: relative;
            left: -30%;
            width: 220px;
            height: 80px;
            border-radius: 50%;
            background-color: #ffffff;
            background-image: radial-gradient(ellipse at 50%, transparent, #fcfcfc, #f7f7f7);
            filter: blur(3px);
            animation: clouds 60s linear infinite, cloud 8s linear infinite;
            &::before, &::after {
                position: absolute;
                content: "";
                width: inherit;
                height: inherit;
                border-radius: 50%;
                background-color: #f2f2f2;
                background-image: radial-gradient(ellipse at 50%, transparent, #f2f2f2, #f7f7f7);
                filter: blur(3px);
                animation: cloud 3s linear infinite;
            }
            &::after {
                background-color: #e6e6e6;
            }
            &:nth-child(2) {
                animation-delay: 5s;
            }
            &:nth-child(3) {
                animation-duration: 40s;
            }
        }
    }
    .birds {
        position: absolute;
        right: -10%;
        top: 30px;
        width: 10px;
        height: 10px;
        background-color: #070000;
        clip-path: polygon(70% 59%, 100% 54%, 64% 68%, 48% 83%, 81% 86%, 55% 90%, 0 92%, 19% 76%, 0 60%, 33% 71%);
        animation: birds 30s linear infinite, fly 1s linear infinite;
    }
    .sea {
        position: absolute;
        right: 0;
        bottom: 0;
        left: 0;
        z-index: -1;
        height: 25vh;
        background-color: lightblue;
    }
    .fish {
        position: relative;
        span {
            position: relative;
            top: 10%;
            left: 110%;
            display: block;
            width: 50px;
            height: 16px;
            background-color: #3a9fc0;
            background-image: linear-gradient(to top, #92cbde, #3a9fc0);
            border-radius: 52% 48% 51% 49% / 51% 56% 44% 49%;
            animation: fish 15s linear infinite;
            &::before, &::after {
                position: absolute;
                content: "";
            }
            &::before {
                left: 95%;
                top: calc(50% - 8px);
                width: 16px;
                height: 16px;
                background-color: inherit;
                background-image: linear-gradient(90deg, #3a9fc0, #2b758d);
                clip-path: polygon(100% 0%, 84% 49%, 100% 100%, 0 66%, 0% 50%, 0 35%);
            }
            &::after {
                width: 10px;
                height: 10px;
                top: 50%;
                left: 30%;
                background-image: linear-gradient(135deg, #3a9fc0, #2b758d);
                clip-path: polygon(100% 27%, 86% 74%, 31% 100%, 0 22%, 0 0, 35% 0);
                transform-origin: 0 0;
                animation: side 0.5s linear infinite;
            }
            &:nth-child(2) {
                animation-duration: 6s;
                animation-delay: 5s;
            }
            &:nth-child(3) {
                animation-duration: 9s;
            }
        }
    }
    .wave {
        position: absolute;
        left: -25%;
        bottom: 0;
        width: 150%;
        height: 100%;
        background-color: lightblue;
        animation: vawe 20s linear infinite;
    }

    .wave.w-1 {
        background: #99cfe0;
        animation-delay: 2s;
    }

    .wave.w-2 {
        background: #86c5da;
    }

    .bottom {
        position: absolute;
        right: -2em;
        bottom: 0;
        left: -2em;
        height: 1.35em;
        border-radius: 78% 22% 52% 48% / 100% 100% 0% 0%;
        background-color: #3a0003;
        background-image: linear-gradient(0deg, #210001, #6d0005);
        opacity: 0.8;
    }

    .grass {
        position: absolute;
        bottom: 5px;
        left: 5em;
        width: 3px;
        height: 35px;
        background-color: #44882d;
        background-image: linear-gradient(45deg, #44882d, #274f1a);
        border-radius: 40%;
        transform-origin: 50% 100%;
        animation: grass 2s linear infinite;
        &:nth-child(2) {
            bottom: 3px;
            left: 30%;
        }
        &:nth-child(3) {
            bottom: 8px;
            left: 60%;
        }
        &:nth-child(4) {
            bottom: 6px;
            left: 80%;
        }
        span {
            position: absolute;
            left: -5px;
            width: 8px;
            height: 2px;
            background-color: #44882d;
            background-image: inherit;
            transform: rotate(45deg);
            &::before {
                position: absolute;
                top: 4px;
                left: 4px;
                content: "";
                width: inherit;
                height: inherit;
                background-color: inherit;
                transform: rotate(-90deg) translateX(100%);
            }
            &:nth-child(2) {
                top: 10px;
            }
            &:nth-child(3) {
                top: 15px;
            }
            &:nth-child(4) {
                top: 20px;
            }
        }
    }
    .circle {
        position: absolute;
        bottom: 5px;
        left: 0;
        width: 100%;
        height: 25vh;
    }
    .circle span {
        position: absolute;
        bottom: 0;
        left: 12%;
        display: block;
        width: 7px;
        height: 7px;
        border-radius: 50%;
        background-color: #ffffff;
        opacity: 0.2;
        animation: circle 2s linear infinite;
    }
    .circle span::before, .circle span::after {
        position: absolute;
        bottom: 0;
        left: 10px;
        content: "";
        width: 5px;
        height: 5px;
        border-radius: inherit;
        background-color: inherit;
        animation: circle 4s linear infinite;
        animation-delay: 0.3s;
    }
    .circle span::after {
        right: -10px;
        animation-delay: 0.5s;
    }
    .circle span:nth-child(2) {
        left: 25%;
        animation-delay: 0.6s;
    }
    .circle span:nth-child(3) {
        left: 45%;
        animation-delay: 0.8s;
    }
    .circle span:nth-child(4) {
        left: 53%;
    }
    .circle span:nth-child(5) {
        left: 74%;
    }
    .grass_tw {
        position: absolute;
        bottom: 11px;
        left: 50%;
        width: 30px;
        height: 10px;
        background-color: #44882d;
        background-image: linear-gradient(180deg, #44882d, #1e3b14);
        clip-path: polygon(10% 84%, 14% 73%, 17% 24%, 20% 61%, 22% 88%, 32% 15%, 31% 68%, 35% 88%, 49% 11%, 63% 85%, 69% 10%, 77% 80%, 84% 16%, 89% 92%, 97% 41%, 100% 97%, 50% 96%, 0 100%, 4% 34%);
        animation: grass_tw 2s linear infinite;
    }
    .grass_tw:nth-last-child(2) {
        left: 75%;
        width: 80px;
    }
    .grass_tw:last-child {
        bottom: 8px;
        left: 20%;
        width: 50px;
    }
    
    @keyframes sun {
        50% {
            box-shadow: 0px 0px 60px 20px #f5de19, inset 0px 0px 100px #f5de19;
        }
    }

    @keyframes clouds {
        0% {
            left: -30%;
        }

        100% {
            left: 110%;
        }
    }

    @keyframes cloud {
        30% {
            border-radius: 22% 78% 51% 49% / 78% 66% 34% 22%;
        }

        40% {
            width: 180px;
        }

        60% {
            border-radius: 61% 39% 51% 49% / 50% 66% 34% 50%;
        }
    }

    @keyframes birds {
        100% {
            right: 110%;
            transform: scale(1.8) translateY(100px);
        }
    }

    @keyframes fly {
        50% {
            clip-path: polygon(70% 69%, 97% 80%, 70% 76%, 48% 83%, 81% 86%, 55% 90%, 0 92%, 19% 76%, 0 71%, 33% 71%);
        }
    }

    @keyframes fish {
        0% {
            left: 110%;
        }

        40% {
            transform: translateY(35px) rotate(-15deg);
        }

        70% {
            transform: translateY(-5px) rotate(15deg);
        }

        80% {
            transform: translateY(5px) rotate(0deg);
        }

        100% {
            left: -10%;
        }
    }

    @keyframes circle {
        0% {
            transform: translateY(0px) scale(0);
        }

        50%, 80% {
            transform: translateY(-25px) scale(1);
        }

        100% {
            transform: translateY(-30px) scale(0);
            opacity: 0;
        }
    }

    @keyframes side {
        50% {
            transform: rotate(-35deg);
        }
    }

    @keyframes vawe {
        20%, 40% {
            border-radius: 23% 77% 52% 48% / 100% 100% 0% 0%;
        }

        30%, 50%, 70% {
            border-radius: 37% 63% 100% 0% / 100% 100% 0% 0%;
        }

        80%, 60% {
            border-radius: 78% 22% 52% 48% / 100% 100% 0% 0%;
        }
    }

    @keyframes grass {
        50% {
            transform: rotate(5deg);
        }
    }

    @keyframes grass_tw {
        50% {
            clip-path: polygon(10% 84%, 14% 73%, 10% 28%, 20% 61%, 22% 88%, 24% 18%, 31% 68%, 35% 88%, 42% 15%, 63% 85%, 58% 14%, 77% 80%, 77% 18%, 89% 92%, 91% 43%, 100% 97%, 50% 96%, 0 100%, 3% 39%);
        }
    }
}

</style>
<template>
<div class="notfound">
	<div class="error">
		<span>Page not found</span><span>404</span><span></span>
	</div>
	<div class="sun"></div>
	<!-- <div class="clouds">
		<div></div>
		<div></div>
		<div></div>
	</div> -->
	<!-- <div class="birds"></div> -->
	<!-- <div class="sea">
		<div class="wave w-1"></div>
		<div class="wave w-2"></div>
		<div class="fish">
			<span></span><span></span><span></span>
		</div>
	</div> -->
	<!-- <div class="bottom">
		<div class="grass">
			<span> </span><span> </span><span> </span>
		</div>
		<div class="grass">
			<span> </span><span> </span><span> </span>
		</div>
		<div class="grass">
			<span> </span><span> </span><span> </span>
		</div>
		<div class="grass">
			<span> </span><span> </span><span> </span>
		</div>
		<div class="circle">
			<span></span><span></span><span></span><span></span><span></span>
		</div>
		<div class="circle">
			<span></span><span></span><span></span><span></span><span></span>
		</div>
		<div class="circle">
			<span></span><span></span><span></span><span></span><span></span>
		</div>
		<div class="circle">
			<span></span><span></span><span></span><span></span><span></span>
		</div>
		<div class="grass_tw"></div>
		<div class="grass_tw"></div>
		<div class="grass_tw"></div>
	</div> -->
</div>
</template>