CSS:

@charset "utf-8";
#lk_mhz,#lk_xgh,#lk_tkzj,#lk_xyz,#lk_gll ,#lk_xty,#lk_yyz,#lk_szh{
    border-radius: 8px;
}
#lk_mhz{
    color: #555555;
    overflow: hidden;
    margin: 10px 0;
    padding: 15px 15px 15px 15px;
    /*border-radius: 10px;*/
    box-shadow: 6px 0 12px -5px rgb(190, 196, 252), -6px 0 12px -5px rgb(189, 196, 252);
    background-color: #8EC5FC;
    background-image: linear-gradient(62deg,#8EC5FC 0%,#E0C3FC 100%);
    background-image: -webkit-linear-gradient(62deg,#8EC5FC 0%,#E0C3FC 100%);
}
#lk_xgh{
        color: #555555;
    overflow: hidden;
    margin: 10px 0;
    padding: 15px 15px 15px 15px;
    /*border-radius: 10px;*/
    box-shadow: 6px 0 12px -5px rgb(255, 176, 172), -6px 0 12px -5px rgb(255, 161, 174);
    background-color: #ff9a8b66;
    background-image: linear-gradient(220deg,#FF9A8B 0%,#ff6a8838 55%,#FF99AC 100%);
    background-image: -webkit-linear-gradient(220deg,#ff9a8b7a 0%,#ff6a88ab 55%,#ff99ac82 100%);
}
#lk_tkzj {
    color: #555555;
    overflow: hidden;
    margin: 10px 0;
    padding: 15px 15px 15px 15px;
    /*border-radius: 10px;*/
    box-shadow: 6px 0 12px -5px rgb(253, 223, 234), -6px 0 12px -5px rgb(215, 240, 243);
    background-color: #FFDEE9;
    background-image: linear-gradient(0deg,#ffdee9c4 0%,#b5fffc8f 100%);
    background-image: -webkit-linear-gradient(0deg,#ffdee9c4 0%,#b5fffc8f 100%);
}
#lk_xyz {
    color: #eeeeee;
    overflow: hidden;
    margin: 10px 0;
    padding: 15px 15px 15px 15px;
    /*border-radius: 10px;*/
    box-shadow: 6px 0 12px -5px rgb(12, 85, 141), -6px 0 12px -5px rgba(10, 58, 93, 0);
    background-image: radial-gradient( circle 263px at 100.2% 3%, rgba(12,85,141,1) 31.1%, rgba(205,181,93,1) 36.4%, rgba(244,102,90,1) 50.9%, rgba(199,206,187,1) 60.7%, rgba(249,140,69,1) 72.5%, rgba(12,73,116,1) 72.6% );
}
#lk_gll {
    color: #eeeeee;
    overflow: hidden;
    margin: 10px 0;
    padding: 15px 15px 15px 15px;
    /*border-radius: 10px;*/
    box-shadow: 6px 0 12px -5px rgb(68, 110, 92), -6px 0 12px -5px rgb(204, 212, 163);
    background-image: linear-gradient( 102deg, rgba(68,110,92,1) 17.4%, rgba(107,156,120,1) 49.3%, rgba(154,183,130,1) 83.4%, rgba(247,237,191,1) 110.3% );
}
#lk_xty {
    color: #ffffff;
    overflow: hidden;
    margin: 10px 0;
    padding: 15px 15px 15px 15px;
     /*border-radius: 10px; */
    box-shadow: 6px 0 12px -5px rgb(253, 223, 234), -6px 0 12px -5px rgb(215, 240, 243);
    background-image: radial-gradient( circle farthest-corner at -8.9% 51.2%, rgba(255,124,0,1) 0%, rgba(255,124,0,1) 15.9%, rgba(255,163,77,1) 15.9%, rgba(255,163,77,1) 24.4%, rgba(19,30,37,1) 24.5%, rgba(19,30,37,1) 66% );
}
#lk_yyz {
    color: #ffffff;
    overflow: hidden;
    margin: 10px 0;
    padding: 15px 15px 15px 15px;
    /*border-radius: 10px;*/
    box-shadow: 6px 0 12px -5px rgb(175, 160, 208), -6px 0 12px -5px rgba(177, 161, 207, 0);
    background-image: radial-gradient( circle farthest-corner at 10% 20%, rgba(95,117,227,1) 0%, rgba(188,167,205,1) 90% );
}
#lk_szh {
    color: #c7c7c7;
    overflow: hidden;
    margin: 10px 0;
    padding: 15px 15px 15px 15px;
    /*border-radius: 5px;*/
    box-shadow: 6px 0 12px -5px rgb(155, 170, 185), -6px 0 12px -5px rgba(177, 161, 207, 0);
    background-image: radial-gradient( circle farthest-corner at 10% 20%, rgba(0,0,0,1) 0%, rgba(64,64,64,1) 90.2% );
}

在你站点 head 引用一下你建的文件就可以了

文章调用代码如下：

<div id="lk_ 样式名 "> 洗洗睡吧</div>

演示：