div.back {
   /* background-color: rgba(168, 168, 168, 0.728); */
   width: 100%;
   display: flex;
   justify-content: center;
   align-items: center;
   flex-direction: column;
   padding: 0 0 50px 0;
}

div.part-1 {
   width: 50%;
   height: 25vh;
   color: black !important;
   border-radius: 50px;
   box-shadow: 4px 4px 4px 4px rgba(85, 85, 85, 0.7);
   text-align: center;
   margin-top: 20px;
   padding: 20px 0 0 0;
   background-color: rgb(247, 247, 247);
   border: 3px solid var(--background-nav);
   animation: down 1s ease-in-out;
}

div.part-1 h1 {
   color: var(--background-footer);
   margin-bottom: 20px;
}

div.part-1 p {
   color: #000;
   font-size: 1.2rem;
}

.card {
   width: 70%;
   height: 7.5rem;
   border-radius: 50px;
   border: 3px solid var(--background-nav);
   box-shadow: 4px 4px 4px 4px rgba(85, 85, 85, 0.7);
   text-align: center;
   margin-top: 20px;
   background-color: rgb(221, 227, 239);
}

.card1 {
   display: flex;
   animation: card1 1.2s ease-in-out;
}

.card2 {
   display: flex;
   animation: card2 1.4s ease-in-out;
}

.card3 {
   display: flex;
   animation: card1 1.6s ease-in-out;
}

.card4 {
   display: flex;
   animation: card2 1.8s ease-in-out;
}

.card5 {
   display: flex;
   animation: card1 2s ease-in-out;
}

.card6 {
   display: flex;
   animation: card2 2.2s ease-in-out;
}

.card7 {
   display: flex;
   animation: card1 2.4s ease-in-out;
}

.card8 {
   display: flex;
   animation: card2 2.6s ease-in-out;
}

.card h4 {
   margin-top: 12px;
   margin-left: 35px;
   color: var(--background-nav);
}

.card p {
   margin-left: -175px;
   line-height: 25px;
   margin-top: 20px;
   color: #000;
}