.maincontent {
    position: relative;
    max-width: 100%;
}

.text{
width: 90%;
height: 300px;
}

.panel-group .panel-heading {
    border-bottom: 0;
    background: #000;
    color: #fff;
    padding: 20px;
    text-transform: uppercase;
    border-radius: 20px;
}

.panel-title > a, .panel-title > small, .panel-title > .small, .panel-title > small > a, .panel-title > .small > a {
    font-size: 24px;
}