.socb4-fab{
  position:fixed;bottom:20px;right:20px;z-index:1050;
  box-shadow:0 4px 12px rgba(0,0,0,.2);
}
#socb4-order-list img{width:50px;height:auto}
.form-control.is-invalid{border-color:#dc3545;}
.guide{
  background:#f8f9fa;
  border:1px dashed #e0e0e0;
  border-radius:.5rem;
  padding:12px 14px;
  color:#6c757d;
}
.guide .margin-top-sm{ margin-top:8px; }

.spinner {
  width: 28px;
  height: 28px;
  border: 3px solid #f9b200;
  border-radius: 50%;
  display: inline-block;
  position: relative;
  box-sizing: border-box;
  animation: rotation 1s linear infinite;
}
.spinner::after {
  content: '';  
  box-sizing: border-box;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 3px solid;
  border-color: #FF3D00 transparent;
}

@keyframes rotation {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}