[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fiqmaVYPZYDWfeHEpZ699K_ke4abhqZP9LqMMY4ayQuI":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-11-05 16:53:20",229268647,[8,9,10,11],"margin: auto 0","padding: 0 auto","margin: 0 auto","padding: auto 0",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},5,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","7c2b7ed1aa8b437aae0e732ab9bf891e","边距属性","下列哪个属性可以实现块级元素的水平居中",[21,32,35,44,53],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],229268646,[25,26,27,28],"margin","padding","border","width","在 CSS 中,用于设置元素自身内容区域与其边框之间距离的属性是","v1",0,{"answer":33,"createTime":5,"id":6,"options":34,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":30,"type":31},[],229268648,[39,40,41,42],"上 10px 右 20px 下 30px 左 20px","上 10px 右 20px 下 30px 左 10px","上 10px 右 20px 下 20px 左 30px","上 10px 右 30px 下 20px 左 10px","当设置 padding: 10px 20px 30px 时,代表的边距值顺序是",{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":30,"type":31},[],229268649,[48,49,50,51],"10px","20px","30px","200px","两个水平方向相邻的盒子,左侧盒子设置 margin-right: 10px,右侧盒子设置 margin-left: 20px,那么两个盒子之间的距离是",{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":30,"type":31},[],229268650,[57,58,59,60],"15px","25px","40px","0px","两个垂直方向相邻的盒子,上方盒子设置 margin-bottom: 15px,下方盒子设置 margin-top: 25px,那么两个盒子之间的距离是"]