边框宽度在浏览器窗口调整大小时自动调整大小

Question

如何使用jquery调整浏览器窗口大小的边框左宽和边框右边宽度。

<div class="section-body"><div class="angle"></div></div>

.section-body {
    position: relative; 
}

.angle {
content: "";
display: block;
position: absolute;
bottom: 100%;
left: 0;
right: 0;
width: 0;
height: 0;
border-top: 0;
border-left: 50vw solid transparent;
border-right: 50vw solid transparent;
border-bottom: 70px solid #fff;
z-index: 15;
pointer-events: none;
-moz-transform: scale(1.0001);
}