.not-visible {
    display: none;
}

/* Center the loader */

.loader {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 1;
  width: 30px;
  height: 30px;
  margin: -75px 0 0 -75px;
  border: 16px solid #f3f3f3;
  border-radius: 50%;
  border-top: 16px solid #3498db;
  -webkit-animation: spin 1s linear infinite;
  animation: spin 250ms linear infinite;
}

@-webkit-keyframes spin {
  0% { -webkit-transform: rotate(0deg); }
  100% { -webkit-transform: rotate(360deg); }
}

@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 }
}

.spinner {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 1;
  width: 30px;
  height: 30px;
  margin:0 auto;
}

.spinnerBase {
  position: absolute;
  left: 50%;
  top: 50%;  
  height:30px ; 
  width:30px;
  text-align: center;
  margin:0 auto;
}

.fullPage {
  display: block;
  height:500px ; 
  width:500px;
  text-align: center;
  margin:0 auto;
}