fab-manager/app/frontend/src/stylesheets/modules/fab-modal.scss

@keyframes slideInFromTop {
  0% { transform: translate(0, -25%); }
  100% { transform: translate(0, 0); }
}

@keyframes fadeIn {
  0% { opacity: 0; }
  100% { opacity: 0.9; }
}

.fab-modal-overlay {
  z-index: 1050;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.9);
  animation: 0.15s linear fadeIn;
}

.fab-modal-sm { width: 340px; }
.fab-modal-md { width: 440px; }
.fab-modal-lg { width: 600px; }

.fab-modal {
  animation: 0.3s ease-out slideInFromTop;
  position: relative;
  top: 90px;
  margin: auto;
  opacity: 1;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
  background-color: #fff;
  background-clip: padding-box;
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-radius: 6px;
  outline: 0;

    .fab-modal-header {
      padding: 8px;
      border-bottom: 1px solid #e5e5e5;
      .modal-logo {
        position: absolute;
        top: -70px;
        left: 0;
        right: 0;
        margin: 0 auto;
        max-height: 44px;
      }
      h1 {
        margin: 25px 0 20px 0;
        font-weight: bold;
        text-transform: uppercase;
        text-align: center;
      }
    }

    .fab-modal-content {
      position: relative;
      padding: 15px;
    }

    .fab-modal-footer {
      position: relative;
      padding: 15px;
      text-align: right;
      border-top: 1px solid #e5e5e5;

      .modal-btn {
        margin-bottom: 0;
        margin-left: 5px;
        display: inline-block;
        font-weight: normal;
        text-align: center;
        white-space: nowrap;
        vertical-align: middle;
        touch-action: manipulation;
        cursor: pointer;
        background-image: none;
        padding: 6px 12px;
        font-size: 16px;
        line-height: 1.5;
        border-radius: 4px;

        &--close {
          @extend .modal-btn;
          color: black;
          background-color: #fbfbfb;
          border: 1px solid #c9c9c9;

          &:hover {
            background-color: #f2f2f2;
          }
        }

        &--confirm {
          @extend  .modal-btn;
        }
      }
    }
}