Preloader для сайта — стиль 167

Подробное описание и демонстрацией работы эффекта загрузки под номером №167 для бибилиотеки Bootstrap. Html и CSS код для реализации preloader’a сайта как на изображении.

html разметка для реализации эффекта загрузки тсраницы

<div class="demo">
<div class="container">
<div class="row">
<div class="col-md-12">
<div class="loader">
<div class="loader-inner"></div>
<div class="loader-inner"></div>
<div class="loader-inner"></div>
<div class="loader-inner"></div>
<div class="loader-inner"></div>
<div class="loader-inner"></div>
<div class="loader-inner"></div>
<div class="loader-inner"></div>
<div class="loader-inner"></div>
<div class="loader-inner"></div>
<div class="loader-inner"></div>
<div class="loader-inner"></div>
<div class="loader-inner"></div>
<div class="loader-inner"></div>
<div class="loader-inner"></div>
<div class="loader-inner"></div>
<div class="loader-inner"></div>
<div class="loader-inner"></div>
<div class="loader-inner"></div>
<div class="loader-inner"></div>
<div class="loader-inner"></div>
<div class="loader-inner"></div>
<div class="loader-inner"></div>
<div class="loader-inner"></div>
<div class="loader-inner"></div>
<div class="loader-inner"></div>
<div class="loader-inner"></div>
<div class="loader-inner"></div>
<div class="loader-inner"></div>
<div class="loader-inner"></div>
</div>
</div>
</div>
</div>
</div>

css разметка для реализации эффекта загрузки тсраницы

.demo{ background: #282c69; }
.loader{
width: 100%;
height: 50px;
margin: 50px 0;
position: relative;
}
.loader .loader-inner{
width: 10px;
height: 10px;
border-radius: 5px;
background: #fff;
float: left;
position: absolute;
transition: all 2s;
animation: loading-1 5s linear infinite;
}
.loader .loader-inner:nth-child(1){ animation-delay: 232ms; }
.loader .loader-inner:nth-child(2){ animation-delay: 224ms; }
.loader .loader-inner:nth-child(3){ animation-delay: 216ms; }
.loader .loader-inner:nth-child(4){ animation-delay: 208ms; }
.loader .loader-inner:nth-child(5){ animation-delay: 200ms; }
.loader .loader-inner:nth-child(6){ animation-delay: 192ms; }
.loader .loader-inner:nth-child(7){ animation-delay: 184ms; }
.loader .loader-inner:nth-child(8){ animation-delay: 176ms; }
.loader .loader-inner:nth-child(9){ animation-delay: 168ms; }
.loader .loader-inner:nth-child(10){ animation-delay: 160ms; }
.loader .loader-inner:nth-child(11){ animation-delay: 152ms; }
.loader .loader-inner:nth-child(12){ animation-delay: 144ms; }
.loader .loader-inner:nth-child(13){ animation-delay: 136ms; }
.loader .loader-inner:nth-child(14){ animation-delay: 128ms; }
.loader .loader-inner:nth-child(15){ animation-delay: 120ms; }
.loader .loader-inner:nth-child(16){ animation-delay: 112ms; }
.loader .loader-inner:nth-child(17){ animation-delay: 104ms; }
.loader .loader-inner:nth-child(18){ animation-delay: 96ms; }
.loader .loader-inner:nth-child(19){ animation-delay: 88ms; }
.loader .loader-inner:nth-child(20){ animation-delay: 80ms; }
.loader .loader-inner:nth-child(21){ animation-delay: 72ms; }
.loader .loader-inner:nth-child(22){ animation-delay: 64ms; }
.loader .loader-inner:nth-child(23){ animation-delay: 56ms; }
.loader .loader-inner:nth-child(24){ animation-delay: 48ms; }
.loader .loader-inner:nth-child(25){ animation-delay: 40ms; }
.loader .loader-inner:nth-child(26){ animation-delay: 32ms; }
.loader .loader-inner:nth-child(27){ animation-delay: 24ms; }
.loader .loader-inner:nth-child(28){ animation-delay: 16ms; }
.loader .loader-inner:nth-child(29){ animation-delay: 8ms; }
@keyframes loading-1{
0%{
left: 0;
}
25%{
left: 25%;
transform: translate(0,0);
}
50%{
left: 50%;
transform: translate(0,0);
}
26%,51%,76%{
transform: translate(0,-30px);
}
27%,52%,77%{
transform: translate(0,0);
}
28%,53%,78%{
transform: translate(0,30px);
}
29%,54%,79%{
transform: translate(0,0);
}
30%,55%,80%{
transform: translate(0,10px);
}
31%,56%,81%{
transform: translate(0,0);
}
75%{
left: 75%;
transform:translate(0,0);
}
100%{
left: 100%;
}
}

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