body {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
}

@media(max-width:400px) {
    .container {
        width: 100%;
        margin-top: 10%;
        
    }
}

@media (max-width: 600px) {

    .container {
        width: 100%;
    }
}

.container-header {
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: rgb(137, 212, 212);
  height: 57vh;
  width: 100%;
}

.core-section1 {
    margin-top: 10vh;
    padding: 50px;
    background: linear-gradient(135deg, #0077b6, #00b4d8);
    text-align: center;
    border-radius: 20px;
    color: #fff;
}
.core-section2 {
    margin-top: 10vh;
    padding: 50px;
    background: linear-gradient(135deg, #6a11cb, #2575fc);
    text-align: center;
    border-radius: 20px;
    color: #fff;
}
.core-section3 {
    margin-top: 10vh;
    padding: 50px;
    background: linear-gradient(135deg, #ff512f, #dd2476);
    text-align: center;
    border-radius: 20px;
    color: #fff;
}

.core {
    justify-content: space-between;
    
}
.core-headers1 {
    color: #fff;
    margin: 0; /* removes extra spacing */
}
 .container-header h1{
    color: white ;
}