cards.css

.flip-card_i{
  position: relative;
  background-color: transparent;
  width: 250px;
  height: 360px;
  perspective: 1000px;
}
h1{
  font-size: 45px;
}
.flip-card-inner_i {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.6s;
  transform-style: preserve-3d;
  box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2);
}

.flip-card_i:hover .flip-card-inner_i {
  transform: rotateY(180deg);
}
.btn_i{
  width: 50px;
 height: 35px;
 border:none;
 border:solid 2px grey;
 border-radius: 5px;
 background: rgba(255, 255, 255,0);
 font-size: 1em;
   }
  .b1_i{
    margin-left: 5px;
    margin-right: 5px;
  }
  .b2_i{
    margin-left: 10px;
    margin-right: 10px;
  }
  .b3_i{
    margin-left: 10px;
    margin-right: 5px;
  }

  .trailer_i{
    width: 90px;
   height: 35px;
   margin-top: auto;
   border:none;
   border:solid 2px white;
   border-radius: 5px;
   {background-color: #e7e7e7; color: black;}
   font-size: 1em;

  }
  .para_i{
    font-size: 0.8em;
  }
.flip-card-front_i, .flip-card-back_i {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}
.form-group1_i {
    float:left;
}
.form-group2_i{
  float: none;
  float:
}
.form-group3_i {
    float:right;
}
.flip-card-front_i {
  background-color: #bbb;
  color: black;
}

.flip-card-back_i {
  width: 250px;
  height: 360px;
  background-image: linear-gradient(black,#8B0000);
  color: white;
  transform: rotateY(180deg);
}