.spin-spinning {
    position: static;
    display: inline-block;
    opacity: 1;
}

.spin{
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: rgba(255,255,255,0.7);
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    color: rgba(0,0,0,0.65);
    font-size: 50px;
    font-variant: tabular-nums;
    line-height: 1.5;
    -webkit-font-feature-settings: 'tnum';
    font-feature-settings: 'tnum';
    color: #000000;
    text-align: center;
    vertical-align: middle;
    -webkit-transition: -webkit-transform .3s cubic-bezier(.78, .14, .15, .86);
    transition: -webkit-transform .3s cubic-bezier(.78, .14, .15, .86);
    transition: transform .3s cubic-bezier(.78, .14, .15, .86);
    transition: transform .3s cubic-bezier(.78, .14, .15, .86), -webkit-transform .3s cubic-bezier(.78, .14, .15, .86);
}




.spin-lg .spin-dot{
    font-size: 0.8rem;
    /*margin-bottom: 30%;*/
}




.spin-dot-spin {
    -webkit-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    transform: rotate(45deg);
    -webkit-animation: antRotate 1.2s infinite linear;
    animation: antRotate 1.2s infinite linear;
}




.spin-dot {
    position: relative;
    display: inline-block;
    font-size: 120px;
    width: 5em;
    height: 5em;
}


.spin-lg .spin-dot i {
    width: 2rem;
    height: 2rem;
}
.spin-dot-item:nth-child(1) {
    top: 0;
    left: 0;
    opacity: 0.8;
}



.spin-dot-item:nth-child(2) {
    top: 0;
    right: 0;
    opacity: 0.84;
    -webkit-animation-delay: .4s;
    animation-delay: .4s;
}


.spin-dot-item:nth-child(3) {
    right: 0;
    bottom: 0;
    opacity: 0.55;
    -webkit-animation-delay: .8s;
    animation-delay: .8s;
}



.spin-dot-item:nth-child(4) {
    bottom: 0;
    left: 0;
    opacity: 0.7;
    -webkit-animation-delay: 1.2s;
    animation-delay: 1.2s;
}


.spin-dot-item {
    position: absolute;
    display: block;
    width: 109px;
    height: 109px;
    background-color: #242b2b;
    border-radius: 100%;
    -webkit-transform: scale(.75);
    -ms-transform: scale(.75);
    transform: scale(.75);
    -webkit-transform-origin: 50% 50%;
    -ms-transform-origin: 50% 50%;
    transform-origin: 50% 50%;
    opacity: .3;
    -webkit-animation: antSpinMove 1s infinite linear alternate;
    animation: antSpinMove 1s infinite linear alternate;
}



.tips{
    font-size: 0.3rem;
    margin-bottom: 30%;
    margin-top: 0.5rem;
}


@keyframes antRotate{to{-webkit-transform:rotate(405deg)}}