.alert {
    display: block;
    padding: 20px;
    border-left: 5px solid;
}

.alert-success {
    background-color: #D5F5E3;
    border-left-color: #2ECC71;
    color: #2ECC71;
}

.alert-info {
    background-color: #D6EAF8;
    border-left-color: #3498DB;
    color: #3498DB;
}

.alert-warning {
    background-color: #FCF3CF;
    border-left-color: #F1C40F;
    color: #F1C40F;
}

.alert-error {
    background-color: #F2D7D5;
    border-left-color: #C0392B;
    color: #C0392B;
}


.button-disabled {
	background:#ccc;
	border-color: #ccc;
	text-shadow:none;
}
.lds-ring {
  display: inline-block;
  position: relative;
  width: 40px;
  height: 40px;
  margin-bottom:-16px;
}
.lds-ring div {
  box-sizing: border-box;
  display: block;
  position: absolute;
  width: 32px;
  height: 32px;
  margin: 4px;
  border: 4px solid #000;
  border-radius: 50%;
  animation: lds-ring 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
  border-color: #000 transparent transparent transparent;
}
.lds-ring div:nth-child(1) {
  animation-delay: -0.45s;
}
.lds-ring div:nth-child(2) {
  animation-delay: -0.3s;
}
.lds-ring div:nth-child(3) {
  animation-delay: -0.15s;
}
@keyframes lds-ring {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}