/* TODO: 考生需要完成以下内容 */ @media (max-width:800px){ .collapse{ display:none; position: absolute; background-color: #252525; width: 100%; }

label.menu-btn{ display: block; color: #959595; padding: 16px 32px; }

menu-btn:checked~.collapse{

display: block;
copy

}

.menu li{ display: block; } .dropdown ul{ position: static; } .row{ display: block; } #tutorials img{ margin: 0; } }