html {
    /*hide scrollbars*/
    /*IE 10+*/
    -ms-overflow-style: none;
    /*Firefox*/
    scrollbar-width: none;
    /*Old Firefox*/
    overflow: -moz-scrollbars-none;
}
/*Hide scroll on side-navbar*/
html::-webkit-scrollbar {
    display: none;
  }

.center{
    margin-top: auto;
    margin-bottom: auto;
}

#loadscreen {
    position: fixed; /* Sit on top of the page content */
    display: none; /* Hidden by default */
    width: 100%; /* Full width (cover the whole page) */
    height: 100%; /* Full height (cover the whole page) */
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0,0,0,0.8); /* Black background with opacity */
    z-index: 1051; /* Specify a stack order in case you're using a different order for other elements */
    cursor: pointer; /* Add a pointer on hover */
}

#loadscreen img{
    position: absolute;
    left: 50%;
    top: 50%;
    margin-top: -75px;
    margin-left: -75px;
    width: 150px;
    height: 150px;
}