使用CSS创建各种不同的图形形状的方法

.rectangle {
 width: 250px;
 height: 150px;
 background-color: #6DC75F;
}

<p></p>

.triangleUp {
 border-left: 75px solid transparent;
 border-right: 75px solid transparent;
 border-bottom: 150px solid #6DC75F;
 width: 0;
 height: 0;
 }

<p class="triangleUp"></p>

.oval {
 width: 300px;
 height: 150px;
 background: #6DC75F;
 -moz-border-radius: 150px / 75px;
 -webkit-border-radius: 150px / 75px;
 border-radius: 150px / 75px;
}

<p class="oval"></p>

.moon {
 width: 150px;
 height: 150px;
 border-radius: 50%;
 box-shadow: 15px 15px 0 0 green;
}

<p class="moon"></p>

.leaf {
 border-radius: 5px 300px 3px 300px;
 background: #6DC75F;
 width: 150px;
 height: 150px;
}

<p class="leaf"></p>