.history .item{overflow:auto}.history .item .history-year{float:left;width:150px;font-weight:700}@media screen and (max-width:800px){.history .item .history-year{float:none;width:100%}}.history .item .history-content{float:right;width:calc(100% - 180px)}@media screen and (max-width:800px){.history .item .history-content{float:none;width:100%}}.history .item .history-content h1,.history .item .history-content h2,.history .item .history-content h3,.history .item .history-content h4{margin-top:0}