.accordion-group {
    margin: 10px 0;
    border-radius: 3px;
    border: 1px solid rgba(0,0,0,0.15);
    overflow: hidden;
}
.accordion-heading {
    font-size: 18px;
    line-height: 1.5;
    background-color: #d2d2d2;
    color: #333;
    padding: 10px 15px;
    cursor: pointer;
    -webkit-transition: all 0.3s ease;
    transition: all 0.3s ease;
}
.accordion-body {
    font-size: 16px;
    display: none;
    padding: 10px; 
    border-top: 1px solid rgba(0,0,0,0.15);   
}
.accordion-heading:before {
    content: "\f067";
    font-family: 'FontAwesome'; 
    position: relative;
    display: inline-block;
    margin-right: 10px;
    font-size: 16px;
    color: #FFF;
    -webkit-transform: rotate(0deg);
    -moz-transform: rotate(0deg);
    -ms-transform: rotate(0deg);
    -o-transform: rotate(0deg);
    transform: rotate(0deg);
    -webkit-transition: all 0.3s ease;
    transition: all 0.3s ease;
}
.accordion-heading.show {
    background-color: #fff;
    color: #2c70a1;
}
.accordion-heading.show:before {
    color: #ccc;
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    transform: rotate(45deg);
}