.concepts-box {

}

.concepts-title {
     margin-top:2%; 
     margin-bottom:2%; 
     margin-left:2.5%; 
     margin-right:2.5%; 
     overflow: hidden;"
}

.concepts-subjects {
    margin-top: 2%;
    margin-bottom: 2%;
    margin-left: 3%;
    margin-right: 3%;
}