2 674 Codepen

Анимация для страницы 404

Пример анимации для страницы 404. В CSS используется по мимо анимации и новые возможности css переменных.

HTML


<div class="page-wrapper">
  <div class="circles-layer">
    <div class="circle -white"></div>
    <div class="circle -red"></div>
    <div class="circle -white"></div>
    <div class="circle -red"></div>
  </div>
  <div class="numbers-layer">
    <div class="number">4</div>
    <div class="number">4</div>
    <div class="number">4</div>
    <div class="number">4</div>
    <div class="number">4</div>
    <div class="number">4</div>
    <div class="number">4</div>
    <div class="number">4</div>
    <div class="number -with-shadow">0</div>
    <div class="number -with-shadow">0</div>
    <div class="number -with-shadow">0</div>
    <div class="number -with-shadow">0</div>
  </div>
  <div class="oops-message">
    <div class="test">Opps... looks like You got lost</div><a class="button" href="">Try again</a>
  </div>
</div>

CSS

* {
    margin: 0;
    padding: 0;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
}

:root {
    --white:    #FFFFFF;
    --red:      #FF3F3F;
    --dark-red: #AA2727;
    
    font-family: 'Yanone Kaffeesatz', sans-serif;
    font-size: calc( 14px + (25 - 14) * ((100vw - 400px) / ( 1200 - 400)));
}

body {
    background: var(--red);
}

.page-wrapper {
    position: relative;
    height: 90vh;
    width: 90vw;
    margin: 5vh 0 0 5vw;
    overflow: hidden;
    background: var(--red);
    -webkit-box-shadow: 0 2rem 3rem var(--dark-red);
            box-shadow: 0 2rem 3rem var(--dark-red);
}

@-webkit-keyframes circle-animation {
    0%   { -webkit-transform: translateX(-50%) translateY(-50%) scale(0); transform: translateX(-50%) translateY(-50%) scale(0); }
    10%  { -webkit-transform: translateX(-50%) translateY(-50%) scale(1); transform: translateX(-50%) translateY(-50%) scale(1); }
    100% { -webkit-transform: translateX(-50%) translateY(-50%) scale(1); transform: translateX(-50%) translateY(-50%) scale(1); }
}

@keyframes circle-animation {
    0%   { -webkit-transform: translateX(-50%) translateY(-50%) scale(0); transform: translateX(-50%) translateY(-50%) scale(0); }
    10%  { -webkit-transform: translateX(-50%) translateY(-50%) scale(1); transform: translateX(-50%) translateY(-50%) scale(1); }
    100% { -webkit-transform: translateX(-50%) translateY(-50%) scale(1); transform: translateX(-50%) translateY(-50%) scale(1); }
}

.circles-layer {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
}

.circles-layer > .circle {
        position: absolute;
        top: 50%;
        left: 50%;
        height: 300vw;
        width: 300vw;
        -webkit-transform: translateX(-50%) translateY(-50%);
                transform: translateX(-50%) translateY(-50%);
        border-radius: 50%;
        -webkit-animation: circle-animation 10s linear infinite;
                animation: circle-animation 10s linear infinite;
        will-change: transform;
    }

.circles-layer > .circle.-white {
            border: 30vw solid var(--white);
        }

.circles-layer > .circle.-red {
            border: 25vw solid var(--dark-red);
        }

.circles-layer > .circle:nth-of-type(2) {
            -webkit-animation-delay: 100ms;
                    animation-delay: 100ms;
        }

.circles-layer > .circle:nth-of-type(3) {
            -webkit-animation-delay: 150ms;
                    animation-delay: 150ms;
        }

.circles-layer > .circle:nth-of-type(4) {
            -webkit-animation-delay: 200ms;
                    animation-delay: 200ms;
        }

@-webkit-keyframes number-animation {
    0%   { -webkit-transform: scale(0); transform: scale(0);   opacity: 0; }
    30%  { -webkit-transform: scale(0); transform: scale(0);   opacity: 0; }
    32%  { -webkit-transform: scale(.95); transform: scale(.95); opacity: 1; }
    35%  { -webkit-transform: scale(1); transform: scale(1);   opacity: 1; }
    37%  { -webkit-transform: scale(1); transform: scale(1);   opacity: 1; }
    40%  { -webkit-transform: scale(0); transform: scale(0);   opacity: 0; }
    50%  { -webkit-transform: scale(0); transform: scale(0);   opacity: 0; }
    52%  { -webkit-transform: scale(.45); transform: scale(.45); opacity: 1; }
    55%  { -webkit-transform: scale(.5); transform: scale(.5);  opacity: 1; }
    57%  { -webkit-transform: scale(.5); transform: scale(.5);  opacity: 1; }
    60%  { -webkit-transform: scale(0); transform: scale(0);   opacity: 0; }
    70%  { -webkit-transform: scale(0); transform: scale(0);   opacity: 0; }
    72%  { -webkit-transform: scale(.75); transform: scale(.75); opacity: 1; }
    75%  { -webkit-transform: scale(.8); transform: scale(.8);  opacity: 1; }
    77%  { -webkit-transform: scale(.8); transform: scale(.8);  opacity: 1; } 
    80%  { -webkit-transform: scale(0); transform: scale(0);   opacity: 0; }
    100% { -webkit-transform: scale(0); transform: scale(0);   opacity: 0; }
}

@keyframes number-animation {
    0%   { -webkit-transform: scale(0); transform: scale(0);   opacity: 0; }
    30%  { -webkit-transform: scale(0); transform: scale(0);   opacity: 0; }
    32%  { -webkit-transform: scale(.95); transform: scale(.95); opacity: 1; }
    35%  { -webkit-transform: scale(1); transform: scale(1);   opacity: 1; }
    37%  { -webkit-transform: scale(1); transform: scale(1);   opacity: 1; }
    40%  { -webkit-transform: scale(0); transform: scale(0);   opacity: 0; }
    50%  { -webkit-transform: scale(0); transform: scale(0);   opacity: 0; }
    52%  { -webkit-transform: scale(.45); transform: scale(.45); opacity: 1; }
    55%  { -webkit-transform: scale(.5); transform: scale(.5);  opacity: 1; }
    57%  { -webkit-transform: scale(.5); transform: scale(.5);  opacity: 1; }
    60%  { -webkit-transform: scale(0); transform: scale(0);   opacity: 0; }
    70%  { -webkit-transform: scale(0); transform: scale(0);   opacity: 0; }
    72%  { -webkit-transform: scale(.75); transform: scale(.75); opacity: 1; }
    75%  { -webkit-transform: scale(.8); transform: scale(.8);  opacity: 1; }
    77%  { -webkit-transform: scale(.8); transform: scale(.8);  opacity: 1; } 
    80%  { -webkit-transform: scale(0); transform: scale(0);   opacity: 0; }
    100% { -webkit-transform: scale(0); transform: scale(0);   opacity: 0; }
}

.numbers-layer {
    position: absolute;
    top: -1rem;
    left: -1rem;
    height: 100%;
    width: 100%;
}

.numbers-layer > .number {
        position: absolute;
        font-size: 10rem;
        color: var(--white);
        -webkit-transform: scale(0);
                transform: scale(0);
        opacity: 0;
        font-weight: 200;
        -webkit-animation: number-animation 10s linear infinite;
                animation: number-animation 10s linear infinite;
        will-change: transform, opacity;
    }

.numbers-layer > .number.-with-shadow {
            text-shadow: 1rem 1rem var(--dark-red);
        }

.numbers-layer > .number:nth-of-type(1)  { top: 5%;  left: 5%;  -webkit-animation-delay:  0;  animation-delay:  0;    }

.numbers-layer > .number:nth-of-type(2)  { top: 15%; left: 55%; -webkit-animation-delay: 40ms; animation-delay: 40ms; 
        font-size: 15rem; }

.numbers-layer > .number:nth-of-type(3)  { top: 25%; left: 15%; -webkit-animation-delay: 80ms; animation-delay: 80ms; }

.numbers-layer > .number:nth-of-type(4)  { top: 75%; left: 20%; -webkit-animation-delay: 120ms; animation-delay: 120ms; }

.numbers-layer > .number:nth-of-type(5)  { top: 25%; left: 75%; -webkit-animation-delay: 160ms; animation-delay: 160ms; 
        font-size: 6rem; }

.numbers-layer > .number:nth-of-type(6)  { top: 65%; left: 45%; -webkit-animation-delay: 200ms; animation-delay: 200ms; }

.numbers-layer > .number:nth-of-type(7)  { top: 45%; left: 85%; -webkit-animation-delay: 240ms; animation-delay: 240ms; }

.numbers-layer > .number:nth-of-type(8)  { top: 10%; left: 85%; -webkit-animation-delay: 280ms; animation-delay: 280ms; }

.numbers-layer > .number:nth-of-type(9)  { top: 40%; left: 35%; -webkit-animation-delay: 320ms; animation-delay: 320ms; 
        font-size: 15rem; }

.numbers-layer > .number:nth-of-type(10) { top: 70%; left: 65%; -webkit-animation-delay: 360ms; animation-delay: 360ms; }

.numbers-layer > .number:nth-of-type(11) { top: 10%; left: 30%; -webkit-animation-delay: 400ms; animation-delay: 400ms; 
        font-size: 6rem; }

.numbers-layer > .number:nth-of-type(12) { top: 45%; left: 10%; -webkit-animation-delay: 440ms; animation-delay: 440ms; }

.oops-message {
    position: absolute;
    width: 20rem;
    left: 50%;
    bottom: 2rem;
    margin-left: -10rem;
    font-weight: 400;
    text-align: center;
    color: var(--white);
}

.oops-message > .button {
        display: inline-block;
        margin-top: .5rem;
        background: var(--white);
        color: var(--red);
        padding: 0 2rem;
        line-height: 2rem;
        text-decoration: none;
        border-radius: 1rem;
        -webkit-transition: all 120ms ease-in;
        transition: all 120ms ease-in;
    }

.oops-message > .button:hover,
.oops-message > .button:focus {
     background: var(--dark-red);
     color: var(--white);
}
Ссылки
https://codepen.io/sfi0zy/pen/gxmOda

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