.maincontent {
    max-width: 100%;
    margin: 0 auto;
    padding: 0;
    border: none;
}

.boxheader {
    margin-top: 50px;
}
.boxbody .floating-img {
    margin-right: 20px;
}

@media (max-width: 800px) {
    .boxbody strong {
        display: block;
        text-align: center;
        margin: 20px auto;
    }
}