参考:https://stackoverflow.com/questions/18113830/sometimes-divs-are-making-like-a-ladder
.button_show_follwing{
float: right;
font-size: 8px;
}
解决方法:
添加属性:
.clear:right;
.button_show_follwing{
clear:right;
float: right;
font-size: 8px;
}