.main {
    animation-name:animate1;
    position: absolute;
           left:44%;
    top:28%;
    box-shadow: 0 0 10px green;
    width: 240px;
    height: 240px;
    color: #fff;
    /* 圆角形成圆形 */
    border-radius: 50%;
    /* 实现顶部圆弧 */

    border-bottom: 5px solid chartreuse;
    display: flex;
    justify-content: center;
    align-items: center;
    /* 增加动画 */
    animation: animate 1s linear infinite;
}

.main::after, .main::before {
    position: absolute;
    content: "";
    width: 100%;
    height: 100%;
    left: 0;
    top: -5px;
    border-radius: 50%;
    border-bottom: 5px solid transparent;
    /* background-color: wheat; */
}
/* 创建动画关键帧，实现旋转 */
@keyframes animate1 {
    0% {
        transform: rotate(-0deg);
    }
    100% {
        transform: rotate(-360deg);
    }
}
.tupain{

       position: absolute;
           left:45%;
    top:30%;
     width: 200px;
    height: 200px;
       color: #fff;
    /* 圆角形成圆形 */
    border-radius: 50%;
    background: url("../img/22.jpg");
    opacity: 0.5;
}

.blog_1{
    width: 110px;
    height: 40px;
    border-radius: 25px;
    position: absolute;
    left: 53%;
    top: 28%;
    background: white;
    opacity: 0.5;

}
.blog_text{
    margin-left: 27px;


 font-size: 25px;
    list-style-type: none;
    font-family: 'Microsoft Yahei', '宋体', arial, 'Hiragino Sans GB', Helvetica;
}



.main2 {

    position: absolute;
           left:42.4%;
    top:25.5%;
    box-shadow: 0 0 10px pink;
    width: 300px;
    height: 300px;
    color: #fff;
    /* 圆角形成圆形 */
    border-radius: 50%;
    /* 实现顶部圆弧 */

    border-bottom: 5px solid pink;
    display: flex;
    justify-content: center;
    align-items: center;
    /* 增加动画 */

}


       .loader {
           animation-name:animate;
    position: absolute;
           left:45%;
    top:30%;
           box-shadow: 0 0 10px blue;
    width: 200px;
    height: 200px;
    color: #fff;
    /* 圆角形成圆形 */
    border-radius: 50%;
    /* 实现顶部圆弧 */
    border-top: 5px solid  cornflowerblue;

    border-bottom: 5px solid transparent;

    display: flex;
    justify-content: center;
    align-items: center;
    /* 增加动画 */
    animation: animate 1s linear infinite;
}

.loader::after, .loader::before {
    position: absolute;
    content: "";
    width: 100%;
    height: 100%;
    left: 0;
    top: -5px;
    border-radius: 50%;
    border-bottom: 4px solid transparent;
    /* background-color: wheat; */
}

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


.navbar navbar-expand-lg navbar-dark bg-dark{
    opacity: 0;
}