.intro{
	
    text-align: center;
	padding-top: 13%;
	padding-bottom: 5%;
	margin-bottom: 50px;
} 
    
nav .brand-logo, 


.intr{
  font-size:17px; 
    text-align: justify; 
    color: black 
    padding
    margin-top:50px; 
    margin-right: 100px; 
    margin-left: 100px;
}


.slide{
    height: 128px;
    width: 370px;
    margin-top: -20px;
    border-radius: 10px;
    margin-right: 5px;
    margin-bottom: 20px;
}

.content-section-a{
    background-color: #F2F3F4 ;
    height: 100%;
}