#loading{

position:fixed;

left:0;
top:0;

width:100%;
height:100%;

background:rgba(0,0,0,.8);

display:flex;

justify-content:center;

align-items:center;

z-index:9999;

}

.loader-box{

text-align:center;

font-size:28px;

animation:pulse 1s infinite;

}