p {
    font-size: 1.5vw;
}
.about-section {
    width: 100%;
    padding: 50px;
    text-align: center;
    background-color: #bbb;
    color: white;
  }

.fullcard2 {
    background-color: #f67e7d;
    width: 100%;

}
.fullcard3 {
    background-color: #6cc2bd;
    width: 100%;

}
.fullcard4{
    background-color: #5a819e;
    width: 100%;

}
.fullcard5 {
    background-color: #7d7aa2;
    width: 100%;

}
.card30 {
    float: right;
    display: none;
    width:30%;
    margin: 0%;
    padding: 5%;

}
.card70{
    float: left;
    width:70%;

    padding: 5%;
}

.flex-container {
    display: flex;
    justify-content: center;
    flex-direction: column;

}
.fullcard2::after, .fullcard3::after, .fullcard4::after, .fullcard5::after {
    content: "";
    clear: both;
    display: table; 
   }  
/* ------------------------------------------------- */
@media screen and (min-width: 800px) {
    .flex-container {
        display: flex;
        margin-left: 15%;
        margin-right: 15%;
        justify-content: center;
    }

    .card1_3 {
        width: 100%;
        text-align: center;
      }
}
@media screen and (max-width: 800px) {
   
    .flex-container {
        display: flex;
        flex-wrap: wrap;
        margin-left: 15%;
        margin-right: 15%;
        justify-content: center;
    }
    .card1_3 {
        width: 100%;
        text-align: center;
      }
}
@media screen and (max-width: 500px) {

    .flex-container {
        display: flex;
        justify-content: center;
        flex-direction: column;
        margin-left: 10%;
        margin-right: 5%;
    }
    .card1_3 {
        width: 80%;
        text-align: center;
      }
}