#spinner-div {
    position: fixed;
    display: none;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    text-align: center;
    background-color: rgba(255, 255, 255, 0.8);
    z-index: 2;
    align-items: center;
    justify-content: center;   
}

.loader {
    border-top: 16px solid blue;
    border-right: 16px solid green;
    border-bottom: 16px solid red;
    border-left: 16px solid pink;
    border-radius: 50%;
    width: 120px;
    height: 120px;
    animation: spin 2s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Add animation to "page content" */
.animate-bottom {
    position: relative;
    -webkit-animation-name: animatebottom;
    -webkit-animation-duration: 1s;
    animation-name: animatebottom;
    animation-duration: 1s
  }
  
  @-webkit-keyframes animatebottom {
    from { bottom:-100px; opacity:0 } 
    to { bottom:0px; opacity:1 }
  }
  
  @keyframes animatebottom { 
    from{ bottom:-100px; opacity:0 } 
    to{ bottom:0; opacity:1 }
  }