Web実際に指定するときは、positionと組み合わせて「top, bottomのどちらか」と「left, rightのどちらか」を指定する。 例えば、「sample」というクラスの要素を今の位置を基準として上から10px, 左から20pxのところに要 … WebFeb 21, 2024 · The effect of top depends on how the element is positioned (i.e., the value of the position property):. When position is set to absolute or fixed, the top property specifies the distance between the element's outer margin of top edge and the inner border of the top edge of its containing block.; When position is set to relative, the top property specifies …
CSS top属性用法及代码示例 - 纯净天空
Web三、其他几个属性. mask-mode 属性 只有火狐有效果。. mask-repeat 属性的默认值是 repeat ,行为类似于 background-repeat 属性。. mask-position 和 background-position 支持的 … Web当给box2设置margin-top时,在FF下仅作用于父容器。. 解决办法:. 1)、给父容器box加overflow:hidden;属性. 2)、父容器box加border除none以外的属性. 3)、用父容器box … slowed on
top - CSS:层叠样式表 MDN - Mozilla Developer
WebWhat Is the Top CSS Property? The top CSS property is an offset property that you can use to move an element that has a position other than static. The movement occurs thanks to one of its accepted values. – Values Accepted. CSS top property accepts the following values:. A length value (including negative values) Web定义和用法. top 属性规定元素的顶部边缘。. 该属性定义了一个定位元素的上外边距边界与其包含块上边界之间的偏移。. 注释: 如果 "position" 属性的值为 "static",那么设置 "top" 属性不会产生任何效果。. WebOct 19, 2024 · The top property in CSS is used to describe the top position of an element. The top property varies with the position of the element. If the position value is fixed or absolute, the element adjusts its top edge with respect to the top edge of its parent element or the block that holds it. If the position value is relative then the element is ... slowe down end of audiofile logc