如何用一个标签绘制一个loading图标第3种

loading2.gif

HTML:

<b class="loading2"></b>

CSS:

/*初始图形*/
.loading2 {
    display: inline-block;
    color: #fff;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    position: relative;
    background: radial-gradient(circle at 50%, rgba(051, 181, 229, 0.8) 18%, transparent 00%), radial-gradient(circle at 50%, rgba(255, 068, 068, 0.8) 00%, transparent 00%), radial-gradient(circle at 50%, rgba(255, 187, 050, 0.8) 18%, transparent 00%) no-repeat;
    animation: load3din 2s linear infinite;
}

/*图画图形*/
@keyframes load3din2{
    0% {
        background: radial-gradient(circle at 50%, rgba(051, 181, 229, 0.8) 17%, transparent 00%), radial-gradient(circle at 50%, rgba(255, 068, 068, 0.8) 10%, transparent 00%), radial-gradient(circle at 50%, rgba(255, 187, 050, 0.8) 17%, transparent 00%);
    }
    2% {
        background: radial-gradient(circle at 45%, rgba(051, 181, 229, 0.8) 17%, transparent 00%), radial-gradient(circle at 50%, rgba(255, 068, 068, 0.8) 11%, transparent 00%), radial-gradient(circle at 55%, rgba(255, 187, 050, 0.8) 17%, transparent 00%);
    }
    4% {
        background: radial-gradient(circle at 40%, rgba(051, 181, 229, 0.8) 16%, transparent 00%), radial-gradient(circle at 50%, rgba(255, 068, 068, 0.8) 12%, transparent 00%), radial-gradient(circle at 60%, rgba(255, 187, 050, 0.8) 16%, transparent 00%);
    }
    6% {
        background: radial-gradient(circle at 35%, rgba(051, 181, 229, 0.8) 15%, transparent 00%), radial-gradient(circle at 50%, rgba(255, 068, 068, 0.8) 13%, transparent 00%), radial-gradient(circle at 65%, rgba(255, 187, 050, 0.8) 15%, transparent 00%);
    }
    8% {
        background: radial-gradient(circle at 30%, rgba(051, 181, 229, 0.8) 14%, transparent 00%), radial-gradient(circle at 50%, rgba(255, 068, 068, 0.8) 14%, transparent 00%), radial-gradient(circle at 70%, rgba(255, 187, 050, 0.8) 14%, transparent 00%);
    }
    10% {
        background: radial-gradient(circle at 25%, rgba(051, 181, 229, 0.8) 13%, transparent 00%), radial-gradient(circle at 50%, rgba(255, 068, 068, 0.8) 15%, transparent 00%), radial-gradient(circle at 75%, rgba(255, 187, 050, 0.8) 13%, transparent 00%);
    }
    12% {
        background: radial-gradient(circle at 20%, rgba(051, 181, 229, 0.8) 12%, transparent 00%), radial-gradient(circle at 50%, rgba(255, 068, 068, 0.8) 16%, transparent 00%), radial-gradient(circle at 80%, rgba(255, 187, 050, 0.8) 12%, transparent 00%);
    }
    14% {
        background: radial-gradient(circle at 15%, rgba(051, 181, 229, 0.8) 11%, transparent 00%), radial-gradient(circle at 50%, rgba(255, 068, 068, 0.8) 17%, transparent 00%), radial-gradient(circle at 85%, rgba(255, 187, 050, 0.8) 11%, transparent 00%);
    }
    16% {
        background: radial-gradient(circle at 12%, rgba(051, 181, 229, 0.8) 10%, transparent 00%), radial-gradient(circle at 50%, rgba(255, 068, 068, 0.8) 17%, transparent 00%), radial-gradient(circle at 88%, rgba(255, 187, 050, 0.8) 10%, transparent 00%);
    }
    18% {
        background: radial-gradient(circle at 50%, rgba(255, 068, 068, 0.8) 17%, transparent 00%), radial-gradient(circle at 12%, rgba(051, 181, 229, 0.8) 10%, transparent 00%), radial-gradient(circle at 88%, rgba(255, 187, 050, 0.8) 10%, transparent 00%);
    }
    20% {
        background: radial-gradient(circle at 50%, rgba(255, 068, 068, 0.8) 17%, transparent 00%), radial-gradient(circle at 15%, rgba(051, 181, 229, 0.8) 11%, transparent 00%), radial-gradient(circle at 85%, rgba(255, 187, 050, 0.8) 11%, transparent 00%);
    }
    22% {
        background: radial-gradient(circle at 50%, rgba(255, 068, 068, 0.8) 17%, transparent 00%), radial-gradient(circle at 20%, rgba(051, 181, 229, 0.8) 12%, transparent 00%), radial-gradient(circle at 80%, rgba(255, 187, 050, 0.8) 12%, transparent 00%);
    }
    24% {
        background: radial-gradient(circle at 50%, rgba(255, 068, 068, 0.8) 17%, transparent 00%), radial-gradient(circle at 25%, rgba(051, 181, 229, 0.8) 13%, transparent 00%), radial-gradient(circle at 75%, rgba(255, 187, 050, 0.8) 13%, transparent 00%);
    }
    26% {
        background: radial-gradient(circle at 50%, rgba(255, 068, 068, 0.8) 17%, transparent 00%), radial-gradient(circle at 30%, rgba(051, 181, 229, 0.8) 14%, transparent 00%), radial-gradient(circle at 70%, rgba(255, 187, 050, 0.8) 14%, transparent 00%);
    }
    28% {
        background: radial-gradient(circle at 50%, rgba(255, 068, 068, 0.8) 17%, transparent 00%), radial-gradient(circle at 35%, rgba(051, 181, 229, 0.8) 15%, transparent 00%), radial-gradient(circle at 65%, rgba(255, 187, 050, 0.8) 15%, transparent 00%);
    }
    30% {
        background: radial-gradient(circle at 50%, rgba(255, 068, 068, 0.8) 17%, transparent 00%), radial-gradient(circle at 40%, rgba(051, 181, 229, 0.8) 16%, transparent 00%), radial-gradient(circle at 60%, rgba(255, 187, 050, 0.8) 16%, transparent 00%);
    }
    32% {
        background: radial-gradient(circle at 50%, rgba(255, 068, 068, 0.8) 17%, transparent 00%), radial-gradient(circle at 45%, rgba(051, 181, 229, 0.8) 17%, transparent 00%), radial-gradient(circle at 55%, rgba(255, 187, 050, 0.8) 17%, transparent 00%);
    }
    34% {
        background: radial-gradient(circle at 50%, rgba(255, 068, 068, 0.8) 17%, transparent 00%), radial-gradient(circle at 50%, rgba(051, 181, 229, 0.8) 17%, transparent 00%), radial-gradient(circle at 50%, rgba(255, 187, 050, 0.8) 17%, transparent 00%);
    }
    36% {
        background: radial-gradient(circle at 45%, rgba(255, 068, 068, 0.8) 17%, transparent 00%), radial-gradient(circle at 50%, rgba(255, 187, 050, 0.8) 00%, transparent 00%), radial-gradient(circle at 55%, rgba(051, 181, 229, 0.8) 17%, transparent 00%);
    }
    38% {
        background: radial-gradient(circle at 40%, rgba(255, 068, 068, 0.8) 16%, transparent 00%), radial-gradient(circle at 50%, rgba(255, 187, 050, 0.8) 00%, transparent 00%), radial-gradient(circle at 60%, rgba(051, 181, 229, 0.8) 16%, transparent 00%);
    }
    40% {
        background: radial-gradient(circle at 35%, rgba(255, 068, 068, 0.8) 15%, transparent 00%), radial-gradient(circle at 50%, rgba(255, 187, 050, 0.8) 05%, transparent 00%), radial-gradient(circle at 65%, rgba(051, 181, 229, 0.8) 15%, transparent 00%);
    }
    42% {
        background: radial-gradient(circle at 30%, rgba(255, 068, 068, 0.8) 14%, transparent 00%), radial-gradient(circle at 50%, rgba(255, 187, 050, 0.8) 10%, transparent 00%), radial-gradient(circle at 70%, rgba(051, 181, 229, 0.8) 14%, transparent 00%);
    }
    44% {
        background: radial-gradient(circle at 25%, rgba(255, 068, 068, 0.8) 13%, transparent 00%), radial-gradient(circle at 50%, rgba(255, 187, 050, 0.8) 15%, transparent 00%), radial-gradient(circle at 75%, rgba(051, 181, 229, 0.8) 13%, transparent 00%);
    }
    46% {
        background: radial-gradient(circle at 20%, rgba(255, 068, 068, 0.8) 12%, transparent 00%), radial-gradient(circle at 50%, rgba(255, 187, 050, 0.8) 17%, transparent 00%), radial-gradient(circle at 80%, rgba(051, 181, 229, 0.8) 12%, transparent 00%);
    }
    48% {
        background: radial-gradient(circle at 15%, rgba(255, 068, 068, 0.8) 11%, transparent 00%), radial-gradient(circle at 50%, rgba(255, 187, 050, 0.8) 17%, transparent 00%), radial-gradient(circle at 85%, rgba(051, 181, 229, 0.8) 11%, transparent 00%);
    }
    50% {
        background: radial-gradient(circle at 12%, rgba(255, 068, 068, 0.8) 10%, transparent 00%), radial-gradient(circle at 50%, rgba(255, 187, 050, 0.8) 17%, transparent 00%), radial-gradient(circle at 88%, rgba(051, 181, 229, 0.8) 10%, transparent 00%);
    }
    52% {
        background: radial-gradient(circle at 50%, rgba(255, 187, 050, 0.8) 17%, transparent 00%), radial-gradient(circle at 12%, rgba(255, 068, 068, 0.8) 10%, transparent 00%), radial-gradient(circle at 88%, rgba(051, 181, 229, 0.8) 10%, transparent 00%);
    }
    54% {
        background: radial-gradient(circle at 50%, rgba(255, 187, 050, 0.8) 17%, transparent 00%), radial-gradient(circle at 15%, rgba(255, 068, 068, 0.8) 11%, transparent 00%), radial-gradient(circle at 85%, rgba(051, 181, 229, 0.8) 11%, transparent 00%);
    }
    56% {
        background: radial-gradient(circle at 50%, rgba(255, 187, 050, 0.8) 17%, transparent 00%), radial-gradient(circle at 20%, rgba(255, 068, 068, 0.8) 12%, transparent 00%), radial-gradient(circle at 80%, rgba(051, 181, 229, 0.8) 12%, transparent 00%);
    }
    58% {
        background: radial-gradient(circle at 50%, rgba(255, 187, 050, 0.8) 17%, transparent 00%), radial-gradient(circle at 25%, rgba(255, 068, 068, 0.8) 13%, transparent 00%), radial-gradient(circle at 75%, rgba(051, 181, 229, 0.8) 13%, transparent 00%);
    }
    60% {
        background: radial-gradient(circle at 50%, rgba(255, 187, 050, 0.8) 17%, transparent 00%), radial-gradient(circle at 30%, rgba(255, 068, 068, 0.8) 14%, transparent 00%), radial-gradient(circle at 70%, rgba(051, 181, 229, 0.8) 14%, transparent 00%);
    }
    62% {
        background: radial-gradient(circle at 50%, rgba(255, 187, 050, 0.8) 17%, transparent 00%), radial-gradient(circle at 35%, rgba(255, 068, 068, 0.8) 15%, transparent 00%), radial-gradient(circle at 65%, rgba(051, 181, 229, 0.8) 15%, transparent 00%);
    }
    64% {
        background: radial-gradient(circle at 50%, rgba(255, 187, 050, 0.8) 17%, transparent 00%), radial-gradient(circle at 40%, rgba(255, 068, 068, 0.8) 16%, transparent 00%), radial-gradient(circle at 60%, rgba(051, 181, 229, 0.8) 16%, transparent 00%);
    }
    66% {
        background: radial-gradient(circle at 50%, rgba(255, 187, 050, 0.8) 17%, transparent 00%), radial-gradient(circle at 45%, rgba(255, 068, 068, 0.8) 17%, transparent 00%), radial-gradient(circle at 55%, rgba(051, 181, 229, 0.8) 17%, transparent 00%);
    }
    68% {
        background: radial-gradient(circle at 50%, rgba(255, 187, 050, 0.8) 17%, transparent 00%), radial-gradient(circle at 50%, rgba(255, 068, 068, 0.8) 17%, transparent 00%), radial-gradient(circle at 50%, rgba(051, 181, 229, 0.8) 17%, transparent 00%);
    }
    70% {
        background: radial-gradient(circle at 45%, rgba(255, 187, 050, 0.8) 17%, transparent 00%), radial-gradient(circle at 50%, rgba(051, 181, 229, 0.8) 00%, transparent 00%), radial-gradient(circle at 55%, rgba(255, 068, 068, 0.8) 17%, transparent 00%);
    }
    72% {
        background: radial-gradient(circle at 40%, rgba(255, 187, 050, 0.8) 16%, transparent 00%), radial-gradient(circle at 50%, rgba(051, 181, 229, 0.8) 00%, transparent 00%), radial-gradient(circle at 60%, rgba(255, 068, 068, 0.8) 16%, transparent 00%);
    }
    74% {
        background: radial-gradient(circle at 35%, rgba(255, 187, 050, 0.8) 15%, transparent 00%), radial-gradient(circle at 50%, rgba(051, 181, 229, 0.8) 05%, transparent 00%), radial-gradient(circle at 65%, rgba(255, 068, 068, 0.8) 15%, transparent 00%);
    }
    76% {
        background: radial-gradient(circle at 30%, rgba(255, 187, 050, 0.8) 14%, transparent 00%), radial-gradient(circle at 50%, rgba(051, 181, 229, 0.8) 10%, transparent 00%), radial-gradient(circle at 70%, rgba(255, 068, 068, 0.8) 14%, transparent 00%);
    }
    78% {
        background: radial-gradient(circle at 25%, rgba(255, 187, 050, 0.8) 13%, transparent 00%), radial-gradient(circle at 50%, rgba(051, 181, 229, 0.8) 15%, transparent 00%), radial-gradient(circle at 75%, rgba(255, 068, 068, 0.8) 13%, transparent 00%);
    }
    80% {
        background: radial-gradient(circle at 20%, rgba(255, 187, 050, 0.8) 12%, transparent 00%), radial-gradient(circle at 50%, rgba(051, 181, 229, 0.8) 17%, transparent 00%), radial-gradient(circle at 80%, rgba(255, 068, 068, 0.8) 12%, transparent 00%);
    }
    82% {
        background: radial-gradient(circle at 15%, rgba(255, 187, 050, 0.8) 11%, transparent 00%), radial-gradient(circle at 50%, rgba(051, 181, 229, 0.8) 17%, transparent 00%), radial-gradient(circle at 85%, rgba(255, 068, 068, 0.8) 11%, transparent 00%);
    }
    84% {
        background: radial-gradient(circle at 12%, rgba(255, 187, 050, 0.8) 10%, transparent 00%), radial-gradient(circle at 50%, rgba(051, 181, 229, 0.8) 17%, transparent 00%), radial-gradient(circle at 88%, rgba(255, 068, 068, 0.8) 10%, transparent 00%);
    }
    86% {
        background: radial-gradient(circle at 50%, rgba(051, 181, 229, 0.8) 17%, transparent 00%), radial-gradient(circle at 12%, rgba(255, 187, 050, 0.8) 10%, transparent 00%), radial-gradient(circle at 88%, rgba(255, 068, 068, 0.8) 10%, transparent 00%);
    }
    88% {
        background: radial-gradient(circle at 50%, rgba(051, 181, 229, 0.8) 17%, transparent 00%), radial-gradient(circle at 15%, rgba(255, 187, 050, 0.8) 11%, transparent 00%), radial-gradient(circle at 85%, rgba(255, 068, 068, 0.8) 11%, transparent 00%);
    }
    90% {
        background: radial-gradient(circle at 50%, rgba(051, 181, 229, 0.8) 17%, transparent 00%), radial-gradient(circle at 20%, rgba(255, 187, 050, 0.8) 12%, transparent 00%), radial-gradient(circle at 80%, rgba(255, 068, 068, 0.8) 12%, transparent 00%);
    }
    92% {
        background: radial-gradient(circle at 50%, rgba(051, 181, 229, 0.8) 17%, transparent 00%), radial-gradient(circle at 25%, rgba(255, 187, 050, 0.8) 13%, transparent 00%), radial-gradient(circle at 75%, rgba(255, 068, 068, 0.8) 13%, transparent 00%);
    }
    94% {
        background: radial-gradient(circle at 50%, rgba(051, 181, 229, 0.8) 17%, transparent 00%), radial-gradient(circle at 30%, rgba(255, 187, 050, 0.8) 14%, transparent 00%), radial-gradient(circle at 70%, rgba(255, 068, 068, 0.8) 14%, transparent 00%);
    }
    96% {
        background: radial-gradient(circle at 50%, rgba(051, 181, 229, 0.8) 17%, transparent 00%), radial-gradient(circle at 35%, rgba(255, 187, 050, 0.8) 15%, transparent 00%), radial-gradient(circle at 65%, rgba(255, 068, 068, 0.8) 15%, transparent 00%);
    }
    98% {
        background: radial-gradient(circle at 50%, rgba(051, 181, 229, 0.8) 17%, transparent 00%), radial-gradient(circle at 40%, rgba(255, 187, 050, 0.8) 16%, transparent 00%), radial-gradient(circle at 60%, rgba(255, 068, 068, 0.8) 16%, transparent 00%);
    }
    100% {
        background: radial-gradient(circle at 50%, rgba(051, 181, 229, 0.8) 17%, transparent 00%), radial-gradient(circle at 45%, rgba(255, 187, 050, 0.8) 17%, transparent 00%), radial-gradient(circle at 55%, rgba(255, 068, 068, 0.8) 17%, transparent 00%);
    }
}