#mainSidebar h3 {
    border: 0;
}

.dynamicSidebar {
    width: 280px;
    position: relative;
    box-sizing: border-box;
}

.dynamicSidebar * {
    box-sizing: border-box;
}

.AdWrapImage,
.AdWrapDisplay {
    clear: both;
    border-radius: 5px;
    box-sizing: content-box;
    background-color: #f0f0f0;
}

.AdWrapImage div:first-child,
.AdWrapDisplay div:first-child {
    margin: 0 auto;
    width: fit-content;
}

@media screen and (max-width: 768px) {
    #mainSidebar {
        width: 100%;
        padding: 0 10px;
    }

    .dynamicSidebar {
        width: 100%;
    }

    #WrapDisplay01 {
        margin: -10px auto 0;
    }

    #WrapDisplay02 {
        margin: 20px auto 0;
    }
}