init: репозиторий backgrounds

— Добавлен animated-cubes (геометрический полет на Keyframes)
— Добавлен solar-system-orrery (модель системы на Orbital Motion)
— Добавлен parallax-star (звездное небо на Box-Shadow)
— Добавлен fireflies (эффект светлячков и мягкого свечения)
— Добавлен steps-sprite-animation (покадровая анимация с jQuery управлением)
This commit is contained in:
2026-04-04 22:17:14 +03:00
commit 4bbe7f68da
21 changed files with 3287 additions and 0 deletions
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/* -------------- Animation -------------- */
#animation {
display: inline-block;
position: relative;
text-align: center;
}
/* -------------- Frame -------------- */
.showRoll #frame {
border-color: hsl(0,0%,70%);
}
#frame {
width: 50px;
height: 72px;
border: 1px solid transparent;
background: url(https://s.cdpn.io/79/sprite-steps.png) no-repeat left top;
animation: frame-animation 1s steps(10) infinite;
}
@keyframes frame-animation { 0% { background-position: 0px 0; } 100% { background-position: -500px 0; } }
/* -------------- Roll -------------- */
.showRoll #roll {
opacity: .2;
}
#roll {
opacity: 0;
position: absolute;
z-index: -1;
top: 0;
left: 0;
width: 500px;
height: 72px;
border: 1px solid hsl(0,0%,70%);
background: hsl(0,0%,100%) url(https://s.cdpn.io/79/sprite-steps.png) no-repeat left top;
transition: opacity .3s linear;
animation: roll-animation 1s steps(10) infinite;
}
@keyframes roll-animation {
0% { transform: translateX(0); }
100% { transform: translateX(-500px); }
}
/* Global ------------------------------------------------------ */
html {
height: 100%;
font:62.5%/1 "Lucida Sans Unicode", "Lucida Grande", Verdana, Arial, Helvetica, sans-serif;
background: #f0f0f0 url(../img/bg.png);
}
body {
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
margin: 0;
width: 100%;
height: 100%;
padding: 50px;
-moz-box-sizing: border-box;
box-sizing: border-box;
text-align: center;
overflow: hidden;
text-align: center;
}
a {
text-decoration: none;
color: hsl(210,100%,60%);
}
a:hover {
color: hsl(210,100%,70%);
}
a:active {
color: hsl(210,100%,50%);
}
p {
font-size: 11px;
line-height: 1.5;
color: hsl(0,0%,60%);
}
.hl {
color: hsl(0,0%,20%);
}
ul {
margin: 40px 0;
list-style: none;
text-align: center;
font-size: 14px;
color: hsl(0,0%,60%);
}
.WebKit ul {
text-align: left;
}
li {
padding: 5px 0;
}
/* Show Sprite Checkbox ------------------------------------------------------ */
.WebKit #show {
-webkit-appearance: none;
outline: none;
border-radius: 20px;
width: 20px;
height: 20px;
margin: -2px 6px 0 0;
vertical-align: middle;
border: 10px solid hsl(0,0%,80%);
background: hsl(0,0%,40%);
box-shadow: 0 1px 0 hsla(0,0%,100%,.6);
-webkit-transition: border-width .2s cubic-bezier(.26, .08, .15, 1);
}
.WebKit #show:checked:active,
.WebKit #show:active {
border: 0px solid hsl(0,0%,80%);
-webkit-transition-duration: .1;
}
.WebKit #show:checked {
border: 5px solid hsl(0,0%,80%);
box-shadow: inset 0 1px 2px hsla(0,0%,0%,.4), 0 1px 0 hsla(0,0%,100%,.6);
}
/* Animation Duration ------------------------------------------------------ */
#duration {
display: inline-block;
position: relative;
margin: -4px 6px 0 0;
}
/* Label */
#duration-label {
display: none;
}
.WebKit #duration-label {
position: absolute;
display: block;
z-index: 1;
top: 6px;
font-size: 11px;
color: hsl(0,0%,60%);
text-shadow: 0 1px 0 hsla(0,0%,100%,.3);
pointer-events: none;
-webkit-transition: -webkit-transform .2s cubic-bezier(.26, .08, .15, 1),
color .6s .2s ease-out;
}
.WebKit #duration-label.isRight {
right: 50%;
margin-right: -20px;
left: auto;
-webkit-transform: translate3d(20px,0,0);
}
.WebKit #duration-label.isLeft {
right: auto;
margin-left: -20px;
left: 50%;
-webkit-transform: translate3d(-20px,0,0);
}
.WebKit #duration:active #duration-label {
color: hsl(0,0%,30%);
-webkit-transition-delay: 0;
}
/* Input */
.WebKit #duration-input {
-webkit-appearance: none;
position: relative;
vertical-align: middle;
width: 100px;
border-radius: 20px;
background: hsl(0,0%,80%);
box-shadow: 0 1px 0 hsla(0,0%,100%,.6);
overflow: hidden;
outline: none;
}
.WebKit #duration-input::-webkit-slider-thumb {
-webkit-appearance: none;
border-radius: 20px;
width: 20px;
height: 20px;
border: 5px solid hsl(0,0%,80%);
background: hsl(0,0%,40%);
box-shadow: inset 0 1px 2px hsla(0,0%,0%,.4);
-webkit-transition: border-width .2s cubic-bezier(.26, .08, .15, 1);
}
.WebKit #duration-input:active::-webkit-slider-thumb {
border: 0px solid hsl(0,0%,80%);
-webkit-transition-duration: .1;
}