/* @charset "UTF-8";
body{
}
/* CSS Document */
#wrapper{ /*容器*/
flex: none;
max-width: 300px;margin: 10px;
background-color: #FFCCCC;
}
main
{
display:flex;flex-wrap: wrap;
justify-content: center; /*水平对齐居中 justify-content: flex 调整位置 flex：start靠左 flex：end靠右*/
/*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 /*项目*/
{
flex:none;
width:270px;margin:10px; /*flex并排切栏*/
background-color: #ffcccc;
}
@media (max-width:1200px){
main>.item{
width: 45%;
}
}
@media (max-width:500px){
main>.item{
width: 90%;
}
}
*/
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