几组漂亮的CSS3按钮边框动画特效

几组漂亮的CSS3按钮边框动画特效，简单好看的鼠标经过的时候高亮显示边框线条动画特效，CSS3鼠标悬停动画特效。

body{background:#000;}
button{cursor:pointer;}
/* Reset */
.animate, .btn, .btn-border-o:before, .btn-border-o:after, .btn-border:before, .btn-border:after, .btn-border-rev-o:before, .btn-border-rev-o:after, .btn-border-rev:before, .btn-border-rev:after, .btn-fill-vert-o:before, .btn-fill-vert-o:after, .btn-fill-vert:before, .btn-fill-vert:after, .btn-fill-horz-o:before, .btn-fill-horz-o:after, .btn-fill-horz:before, .btn-fill-horz:after {
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}

/* Main Styles */
.main-container {
  width: 100%;
  max-width: 750px;
  margin: 0 auto;
  padding: 0 15px;
}