.about-building {
    top: 0px;
    position: fixed;
    /*  width: 160vh;*/
    width: 89%;
    z-index: -1;
}

.about-building img {
    width: 100%;
}

.about-content {
    font-size: small;
    background-color: #fafafa;
    position: relative;
    margin-bottom: 0;
    letter-spacing: 1px;
    line-height: 1.8;
    text-align: justify;
    padding: 0 10vh;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s ease-out;
    z-index: 2;
    /*  box-shadow: -5px 5px 5px rgba(0, 0, 0, 0.3);
    -moz-box-shadow: -5px 5px 8px rgba(0, 0, 0, 0.3);
    -webkit-box-shadow: -5px 5px 5px rgba(0, 0, 0, 0.3);*/
}

.center-body {
    margin: auto;
    width: 80%;
   
}

h2 {
    color: #317e74;
    text-align: center;
}

.expendable {
    background-color: #fafafa;
    color: #317e74;
    padding: 18px;
    /*  margin-left: 2vh;*/
    margin-top: 1vh;
    border: none;
    /*    width: 80%;*/
    text-align: left;
    text-decoration: underline;
    text-decoration-color: white;
    text-decoration-thickness: 1%;
    outline: none;
    font-size: x-large;
    opacity: 1;
    z-index: 2;
}

.active, .expendable:hover {
    opacity: 1;
    text-decoration-color: #BD2527;
    transition: 2s ease-out;
}    
  
.expendable:after {
content: '\002B';
color: #317e74;
font-weight: bold;
float: right;
margin-left: 5px;
}

.active:after {
    content: "\2212";
}

.content {
    padding: 0 18px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s ease-out;
    background-color: #f1f1f1;
}

.heading {
    position: relative;
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align:center;
    width: 70%;
    border-bottom-style: solid;
    border-image: linear-gradient(to right, #eee, #317e74, #eee 100%) 1;
    margin-bottom: 30px;
    margin-top: 1vh;
}

    .heading h3 {
        font-family: Verdana,Geneva,sans-serif;
        border: 1px solid #e7d6d6;
        border-radius: 5px;
        padding: 3px 7px;
        color: #777;
        letter-spacing: 3px;
        text-transform: uppercase;
        box-shadow: -1px 1px 1px rgba(0, 0, 0, 0.2);
        -moz-box-shadow: -1px 1px 1px rgba(0, 0, 0, 0.2);
        -webkit-box-shadow: -1px 1px 1px rgba(0, 0, 0, 0.2);
    }