/*
CSS3 Flex<a href="https://www.jb51.cc/tag/Box/" target="_blank" class="keywords">Box</a>
News 1
Today is good day.
News 2
News 3
CSS @charset "UTF-8";
body{
background-color: aliceblue
}
/* CSS Document */
#wrapper{ /*容器*/
flex: none;
max-width: 300px;margin: 10px;
background-color: #FFCCCC;
}
nav{
display: flex;
}
nav>.
logo
{
flex: none;width: 100px;
background-color: bisque;
}
nav>.menu{
flex: auto;
background-color:#ccccff;
}
nav>.user{
flex: none;width: 100px;
backgroud-color:#ccffcc;
}
main
{
display:flex;
justify-content: center; /*水平对齐居中 justify-content: flex 调整位置 flex：start靠左 flex：end靠右*/
align-items:stretch;/*水平垂直对齐 align-items:center 垂直对齐靠中间 align-items:flex-start 垂直对齐靠上方 align-items:flex-end 垂直对齐靠下方 stretch延展 */
background-color: #cccccc;
}
main>.item /*容器和项目名*/
{
flex:none;
width:300px;margin:10px; /*flex并排切栏*/
background-color: #ffcccc;
}*/
