@media (max-width:45rem)
{
    .titleSec
    {
        height: 230px;  
    }
    .textContainer h1 
    {
        font-size: 40px;
    }
    .feachersCardHoder > div 
    {
        text-align: center;
    }
    .feachersCardHoder i 
    {
        font-size: 80px;
    }
    .hideinSmallScreen
    {
        display: none;
    }
    .hideinLargeScreen
    {
        display: inline;
    }
}