如何div高度占满全屏无滚动条
<!DOCTYPE html><html><head><meta charset="UTF-8"><title></title><style type="text/css">*{margin: 0;padding: 0;}html,body{height: 100%;width: 100%;}.test{height: 100%;width: 100%;background: #1e5e8b;}</style></head><body><div class="test"></div></body></html>