.lds-ripple {
  margin: auto;
  position: relative;
  width: 60px;
  height: 60px;
}
.lds-ripple div {
  position: absolute;
  border: 4px solid #1a3360;
  opacity: 1;
  border-radius: 50%;
  animation: lds-ripple 1s cubic-bezier(0, 0.2, 0.8, 1) infinite;
}
.lds-ripple div:nth-child(2) {
  animation-delay: -0.5s;
}
@keyframes lds-ripple {
  0% {
    top: calc(50% - 1px);
    left: calc(50% - 1px);
    width: 0;
    height: 0;
    opacity: 0;
  }
  4.9% {
    top: calc(50% - 1px);
    left: calc(50% - 1px);
    width: 0;
    height: 0;
    opacity: 0;
  }
  5% {
    top: calc(50% - 1px);
    left: calc(50% - 1px);
    width: 0;
    height: 0;
    opacity: 1;
  }
  100% {
    top: 0px;
    left: 0px;
    width: 100%;
    height: 100%;
    opacity: 0;
  }
}

.viewer-download-file {
  position:absolute;
  min-height:24px;
  min-width:24px;
  border-radius:50%;
  background:#58595b;
  margin-left:2px;
}

.viewer-download-svg {
  position:absolute;
  margin-left:4px;
  margin-top:4px;
  left:0;
  top:0;
}

.viewer-download-file:focus{
  box-shadow: 0 0 3px #fff;
  outline: 0;
  z-index: 1;
}

.viewer-delete-file {
    cursor: pointer;
    position: absolute;
    min-height: 24px;
    min-width: 24px;
    border-radius: 50%;
    background: #58595b;
    margin-left: 30px;
}

.viewer-delete-svg {
    position: absolute;
    margin-left: 4px;
    margin-top: 4px;
    left: 0;
    top: 0;
}

.viewer-headers-file {
    cursor: pointer;
    position: absolute;
    min-height: 24px;
    min-width: 24px;
    border-radius: 50%;
    background: #0077b6;
    margin-left: -306px;
}

.viewer-headers-svg {
    position: absolute;
    margin-left: 4px;
    margin-top: 4px;
    left: 0;
    top: 0;
}