.activitygojicarewrapper {
    display: flex;
}

.activitygojicarewrapper .sidebarContainer {
    position: fixed;
    padding-top: 15px;
}

.activitygojicarewrapper .headerContainer {
    position: fixed;
    left: 320px;
    width: calc(100% - 340px);
    height: 65px;
    padding-top: 15px;
    padding-left: 30px;
    background-color: white;
    z-index: 2;
}

.activitygojicarewrapper .mainContainer {
    width: 100%;
    height: calc(100vh - 130px);
    padding: 15px 15px 0 265px;
    margin-top: 60px;
}