.tocenter {
  display: flex;
  justify-content: center;
  align-items: center;
}

.bgchange {
  background-color: #333;
}

.beblack {
  -webkit-filter: invert(1);
  filter: invert(1);
}

.zewrap {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  justify-content: center;
  align-items: center;
  flex-flow: row wrap;
}

.containern1 {
  width: 100%;
  /* width: 1000px; */
  position: relative;
  display: flex;
  justify-content: space-evenly;
}

.containern1 .card-sub {
  position: relative;
  cursor: pointer;
}

.containern1 .card-sub .face {
  width: 300px;
  height: 200px;
  transition: 0.5s;
}

.containern1 .card-sub .face.face1 {
  position: relative;
  background: #333;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1;
  transform: translateY(100px);
}

.containern1 .card-sub:hover .face.face1 {
  background: #14aa00;
  transform: translateY(0);
}

.containern1 .card-sub .face.face1 .content {
  opacity: 0.2;
  transition: 0.5s;
}

.containern1 .card-sub:hover .face.face1 .content {
  opacity: 1;
}

.containern1 .card-sub .face.face1 .content img {
  max-width: 100px;
}

.containern1 .card-sub .face.face1 .content h3 {
  margin: 10px 0 0;
  padding: 0;
  color: #fff;
  text-align: center;
  font-size: 1.5em;
}

.containern1 .card-sub .face.face2 {
  position: relative;
  background: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  box-sizing: border-box;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
  transform: translateY(-100px);
}

.containern1 .card-sub:hover .face.face2 {
  transform: translateY(0);
}

.containern1 .card-sub .face.face2 .content p {
  margin: 0;
  padding: 0;
}

.containern1 .card-sub .face.face2 .content a {
  margin: 15px 0 0;
  display: inline-block;
  text-decoration: none;
  font-weight: 900;
  color: #333;
  padding: 5px;
  border: 1px solid #333;
}

.containern1 .card-sub .face.face2 .content a:hover {
  background: #333;
  color: #fff;
}

.m-t-50 {
  padding-left: 70px;
}