Pure css to write a large sun weather icon

effect

FIG effect as

Realization of ideas

1. div realization of a rectangular sun shadow
2. before pseudo-rectangular light produced another, and conventional shift 90 °
3. draw a circle after pseudo-elements to achieve style sun

dom structure

With two nested div container, the parent container control icon to appear, sub-containers used to write a pattern of light and shadow rectangle of sun.

<div class="container">
    <div class="sunny"></div>
</div>

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css styles

1, defines the parent container style, position control icon, the way to add the entire page background color, convenient preview

body{
    background: rgba(73, 74, 95, 1);
}

.container{
    width: 170px;
    height: 170px;
    position: relative;
    margin: 250px auto;
}

2, a rectangular light pattern, there is a 360 ° rotation animation

.sunny{
    width: 20px;
    height: 140px;
    position: absolute;
    top: 20px;
    left: 90px;
    background: -webkit-linear-gradient(top, rgba(255,255,255,0) 0%, rgba(255,255,255,0.8) 50%, rgba(255,255,255,0) 100%);
    animation: sunny 15s linear infinite;
}

@keyframes sunny {
    0%{
        transform: rotate(0deg);
    }
    100%{
        transform: rotate(360deg);
    }
}

3, a vertical writing another rectangular shadow

.sunny::before{
    content: '';
    width: 20px;
    height: 140px;
    position: absolute;
    bottom: 0;
    left: 0;
    background: -webkit-linear-gradient(top, rgba(255,255,255,0) 0%, rgba(255,255,255,0.8) 50%, rgba(255,255,255,0) 100%);
    transform: rotate(90deg)
}

4, the sun circle style

.sunny::after{
    content: '';
    width: 80px;
    height: 80px;
    position: absolute;
    top: 30px;
    left: -30px;
    background: #ffee44;
    border-radius: 50%;
    box-shadow: rgba(255,255,0,0.2) 0 0 0 15px;
}