.lds-roller{display:inline-block;position:relative;width:80px;height:80px;}
.lds-roller div{animation:lds-roller 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;transform-origin:40px 40px;}
.lds-roller div:after{content:" ";display:block;position:absolute;width:7px;height:7px;border-radius:50%;background:#cc1c22;margin:-4px 0 0 -4px;}
.lds-roller div:nth-child(1){animation-delay:-0.036s;}
.lds-roller div:nth-child(1):after{top:63px;left:63px;}
.lds-roller div:nth-child(2){animation-delay:-0.072s;}
.lds-roller div:nth-child(2):after{top:68px;left:56px;}
.lds-roller div:nth-child(3){animation-delay:-0.108s;}
.lds-roller div:nth-child(3):after{top:71px;left:48px;}
.lds-roller div:nth-child(4){animation-delay:-0.144s;}
.lds-roller div:nth-child(4):after{top:72px;left:40px;}
.lds-roller div:nth-child(5){animation-delay:-0.18s;}
.lds-roller div:nth-child(5):after{top:71px;left:32px;}
.lds-roller div:nth-child(6){animation-delay:-0.216s;}
.lds-roller div:nth-child(6):after{top:68px;left:24px;}
.lds-roller div:nth-child(7){animation-delay:-0.252s;}
.lds-roller div:nth-child(7):after{top:63px;left:17px;}
.lds-roller div:nth-child(8){animation-delay:-0.288s;}
.lds-roller div:nth-child(8):after{top:56px;left:12px;}
@keyframes lds-roller{0%{transform:rotate(0deg);}
100%{transform:rotate(360deg);}
}
.center-spinner{display:flex;flex-direction:column;justify-content:center;align-items:center;width:100%;height:100vh;background-image:url(../img/bg.jpg);background-size:cover;background-position:bottom center;background-repeat:no-repeat;position:fixed;top:0;left:0;z-index:9999;}
.center-spinner img{max-width:50%;display:block;margin-bottom:2rem;}
.hidden{overflow:hidden;}