.cover-book {
  max-height: 300px;
  height: 300px;
  object-fit: cover;
  margin: auto;
  width: 100%;
}

.brand-logo img {
  width: 180px;
  height: 60px;
  margin: 2px 12px;
}

.mar-md-0 {
  margin: 0 !important;
}
.mar-t-md-0,
.mar-y-md-0 {
  margin-top: 0 !important;
}
.mar-r-md-0,
.mar-x-md-0 {
  margin-right: 0 !important;
}
.mar-b-md-0,
.mar-y-md-0 {
  margin-bottom: 0 !important;
}
.mar-l-md-0,
.mar-x-md-0 {
  margin-left: 0 !important;
}
.mar-md-1 {
  margin: 0.25rem !important;
}
.mar-t-md-1,
.mar-y-md-1 {
  margin-top: 0.25rem !important;
}
.mar-r-md-1,
.mar-x-md-1 {
  margin-right: 0.25rem !important;
}
.mar-b-md-1,
.mar-y-md-1 {
  margin-bottom: 0.25rem !important;
}
.mar-l-md-1,
.mar-x-md-1 {
  margin-left: 0.25rem !important;
}
.mar-md-2 {
  margin: 0.5rem !important;
}
.mar-t-md-2,
.mar-y-md-2 {
  margin-top: 0.5rem !important;
}
.mar-r-md-2,
.mar-x-md-2 {
  margin-right: 0.5rem !important;
}
.mar-b-md-2,
.mar-y-md-2 {
  margin-bottom: 0.5rem !important;
}
.mar-l-md-2,
.mar-x-md-2 {
  margin-left: 0.5rem !important;
}
.mar-md-3 {
  margin: 1rem !important;
}
.mar-t-md-3,
.mar-y-md-3 {
  margin-top: 1rem !important;
}
.mar-r-md-3,
.mar-x-md-3 {
  margin-right: 1rem !important;
}
.mar-b-md-3,
.mar-y-md-3 {
  margin-bottom: 1rem !important;
}
.mar-l-md-3,
.mar-x-md-3 {
  margin-left: 1rem !important;
}
.mar-md-4 {
  margin: 1.5rem !important;
}
.mar-t-md-4,
.mar-y-md-4 {
  margin-top: 1.5rem !important;
}
.mar-r-md-4,
.mar-x-md-4 {
  margin-right: 1.5rem !important;
}
.mar-b-md-4,
.mar-y-md-4 {
  margin-bottom: 1.5rem !important;
}
.mar-l-md-4,
.mar-x-md-4 {
  margin-left: 1.5rem !important;
}
.mar-md-5 {
  margin: 3rem !important;
}
.mar-t-md-5,
.mar-y-md-5 {
  margin-top: 3rem !important;
}
.mar-r-md-5,
.mar-x-md-5 {
  margin-right: 3rem !important;
}
.mar-b-md-5,
.mar-y-md-5 {
  margin-bottom: 3rem !important;
}
.mar-l-md-5,
.mar-x-md-5 {
  margin-left: 3rem !important;
}
.pad-md-0 {
  padding: 0 !important;
}
.pad-t-md-0,
.pad-y-md-0 {
  padding-top: 0 !important;
}
.pad-r-md-0,
.pad-x-md-0 {
  padding-right: 0 !important;
}
.pad-b-md-0,
.pad-y-md-0 {
  padding-bottom: 0 !important;
}
.pad-l-md-0,
.pad-x-md-0 {
  padding-left: 0 !important;
}
.pad-md-1 {
  padding: 0.25rem !important;
}
.pad-t-md-1,
.pad-y-md-1 {
  padding-top: 0.25rem !important;
}
.pad-r-md-1,
.pad-x-md-1 {
  padding-right: 0.25rem !important;
}
.pad-b-md-1,
.pad-y-md-1 {
  padding-bottom: 0.25rem !important;
}
.pad-l-md-1,
.pad-x-md-1 {
  padding-left: 0.25rem !important;
}
.pad-md-2 {
  padding: 0.5rem !important;
}
.pad-t-md-2,
.pad-y-md-2 {
  padding-top: 0.5rem !important;
}
.pad-r-md-2,
.pad-x-md-2 {
  padding-right: 0.5rem !important;
}
.pad-b-md-2,
.pad-y-md-2 {
  padding-bottom: 0.5rem !important;
}
.pad-l-md-2,
.pad-x-md-2 {
  padding-left: 0.5rem !important;
}
.pad-md-3 {
  padding: 1rem !important;
}
.pad-t-md-3,
.pad-y-md-3 {
  padding-top: 1rem !important;
}
.pad-r-md-3,
.pad-x-md-3 {
  padding-right: 1rem !important;
}
.pad-b-md-3,
.pad-y-md-3 {
  padding-bottom: 1rem !important;
}
.pad-l-md-3,
.pad-x-md-3 {
  padding-left: 1rem !important;
}
.pad-md-4 {
  padding: 1.5rem !important;
}
.pad-t-md-4,
.pad-y-md-4 {
  padding-top: 1.5rem !important;
}
.pad-r-md-4,
.pad-x-md-4 {
  padding-right: 1.5rem !important;
}
.pad-b-md-4,
.pad-y-md-4 {
  padding-bottom: 1.5rem !important;
}
.pad-l-md-4,
.pad-x-md-4 {
  padding-left: 1.5rem !important;
}
.pad-md-5 {
  padding: 3rem !important;
}
.pad-t-md-5,
.pad-y-md-5 {
  padding-top: 3rem !important;
}
.pad-r-md-5,
.pad-x-md-5 {
  padding-right: 3rem !important;
}
.pad-b-md-5,
.pad-y-md-5 {
  padding-bottom: 3rem !important;
}
.pad-l-md-5,
.pad-x-md-5 {
  padding-left: 3rem !important;
}
.mar-md-auto {
  margin: auto !important;
}
.mar-t-md-auto,
.mar-y-md-auto {
  margin-top: auto !important;
}
.mar-r-md-auto,
.mar-x-md-auto {
  margin-right: auto !important;
}
.mar-b-md-auto,
.mar-y-md-auto {
  margin-bottom: auto !important;
}
.mar-l-md-auto,
.mar-x-md-auto {
  margin-left: auto !important;
}