/* about us section */
.aboutus{
    width:88%;
    margin: 0 auto;
    font-size: 15px;
}
.bg-color{
    background-color: #edeff1;
}
.overlay{
    background-image: url("../images/ourMissionHome.jpg");
    background-repeat: no-repeat;
    background-size: cover;
    height: 16.9em;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 2.6em;
    position: relative;
}
.overlay2{
    background-image: url("../images/ourVisionHome.jpg");
    background-repeat: no-repeat;
    background-size: cover;
    height: 16.9em;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 2.6em;
    position: relative;
}
.overlay3{
    background-image: url("../images/ourValuesHome.jpg");
    background-repeat: no-repeat;
    background-size: cover;
    height: 16.9em;
    margin-bottom: 2.6em;
    position: relative;
}
.img-overlay{
    background-color: rgba(0,0,0,0.5);
    position: absolute;
    height: 100%;
    width: 100%;
    display: none;
    box-shadow: 0px 4px 8px 0px rgba(0,0,0,.2), 0px 6px 20px 0px rgba(0,0,0,.19);
}
.overlay:hover .img-overlay ,.overlay2:hover .img-overlay ,.overlay3:hover .img-overlay{
    display: block;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0px 4px 8px 0px rgba(0,0,0,.2), 0px 6px 20px 0px rgba(0,0,0,.19);
}
.aboutus-items{
    display: grid;
    grid-gap: 2em;
    grid-template-columns: auto auto auto;
    text-align: -webkit-center;
}
.aboutus-items p{
    width: 92%;
    text-align: -webkit-left;
    font-family: Helvetica-th;
    font-size: 1em;
}
.aboutus-items .main-img{
    width: 90%;
}
.aboutus h3{
    text-align: center;
    padding: 3.3em 0em 3.3em 0em;
    font-family: Helvetica-Md;
    font-size: 2em;
}
.aboutus .aboutus-items h4{
    text-align: center;
    margin-bottom: 1.2em;
    font-size: 1.6em;
    font-family: Helvetica-Md;
}
@media only screen and (max-width: 768px) {
    .aboutus-items {
       display: block ;
    }
    .aboutus h3 {
       text-align: center ;
       padding: 2.3em 0em 2.3em 0em ;
    }
}