#activity_history {
    width: 1150px;
    margin: 100px auto;
}

#activity_history .module {
    margin-bottom: 50px;
}

#activity_history .module > .module_title {
    font-weight: bold;
    font-size: 20px;
    position: relative;
    padding-left: 15px;
}

#activity_history .module > .module_title:after {
    content: "";
    width: 5px;
    height: 20px;
    background: blue;
    position: absolute;
    left: 0;
    top: 2.5px;
}

#activity_history .module > ul {
    margin: 20px 0;
    display: -webkit-flex; /* Safari */
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    align-content: flex-start;
}

#activity_history .module > ul > li {
    font-size: 16px;
    width: 20%;
    text-align: center;
    padding: 5px 20px;
}
@media screen and (min-width: 768px) and (max-width: 1024px) {
    
    #activity_history {
        width: 1150px;
        margin: 10px auto;
    }
}