本文是作者从别的网站和文章学习了解的知识,简单做了个笔记,想要学习更多的可以参考这里:[css进阶]伪元素的妙用--单标签之美,奇思妙想 (弧形切角矩形) 代码: width: 180px; height:180px; } .arc { background: radial-gradient(circle at top left, transparent 15px, yellowgreen 0) top left, radial-gradient(circle at top right, tra
Applied Visual Design: Create a Gradual CSS Linear Gradient background: linear-gradient(gradient_direction, color 1, color 2, color 3, ...) The first argument specifies the direction from which color transition starts - it can be stated as a degree
在屏幕上打印类似下面的图形: 常规画正方形的算法: 这几乎是初学所有计算机语言时都会遇到的问题.算法都大致类似,就是找出打印规律然后用计算机语句表达出来.最常规的算法是:输入数字n就打印n行,首行和尾行打印n个*号,其它行中打印收尾*号,其他位置打印空格.实现如下: s=int(input("num:")) for i in range(s): #Count.Record how many times you enter. if i == 0 or i == s-1: #If i is