5.2基础标签:边框,边界

|-边界边框
|--外边距 margin

.one{
   200px;
  height: 200px;
  background-color: orange;
  margin: 30px 40px 50px 60px;
}

.two{
   200px;
  height: 200px;
  background-color: red;
}
<div class="one"></div>
<div class="two"></div>

|--内边距 padding(padding会加大height和width

.three{
  /* 200px;*/
   170px;
  height: 200px;
  background-color: blue;
  padding-left: 30px;
  margin-top: 30px;
}
<div class="three">123</div>

|--边框边框 border

.four{
     300px;
    height: 200px;
    border: 1px solid blueviolet;
    margin-top: 30px;
}
<div class="four"></div>

|----margin-left padding-top border-right border-botton
|----margin/padding:上 右 下 左
|----transparent 透明

.five{
     0px;
    height: 0px;
    border-top: 100px solid red;
    border-left: 100px solid transparent;
    border-bottom: 100px solid transparent;
    border-right: 100px solid transparent;
    margin-top: 30px;
}
<div class="five"></div>

|----transform 转换(rotate旋转)

.six{
     200px;
    height: 200px;
    background-color: deepskyblue;
    transform: rotate(45deg);
   margin-left: 100px;
}
<div class="six"></div>
原文地址:https://www.cnblogs.com/sunhao1987/p/9189418.html