对与前端div的间隔操作进行相关定义 影响元素之间的间距是可以通过style的margin或padding属性来实现,但这两个属性本意并不相同;margin影响的是本元素与相邻外界元素之间的距离,这里简称外边距;padding影响的元素本身与其内部子元素之间的距离,简称为内填充。 bootstrap4提供了简写的class名,名称分别以m-开头和p-开头的...
<div class="col-md-3"> <input type="number" id="guess-input" class="form-control" placeholder="输入你的猜测" min="1" max="100"> </div> <button id="guess-btn" class="btn btn-primary mt-2">提交猜测</button> </div> <div class="row justify-content-center mt-3"> <div class...
<div th:if="${deleteMessage}" class="alert alert-danger"> <span th:text="#{${deleteMessage}}">Default message if not found</span> </div> <div class="bg-card mt-3 mb-3"> <div class="bg-card mt-3 mb-3 table-responsive"> <table class="table table-striped table-hover"> <th...
7.mt20{margin-top:20px} 8.mt30{margin-top:30px} 9.mt50{margin-top:50px} 10.mt100{margin-top:100px} 11.mb10{margin-bottom:10px} 12.mb15{margin-bottom:15px} 13.mb20{margin-bottom:20px} 14.mb30{margin-bottom:30px} 15.mb50{margin-bottom:50px} 16.mb100{margin-bottom:100px}...
--CustomCSS--><link rel="stylesheet"type="text/css"href="css/main.css"></head><body><divclass="container mt-5"><divclass="row border"><div id='my_fit'>Hello World</div></div></div><divclass="container mt-5"><divclass="row"><divclass="col-md-4 mb-3 text-center"><div...
div class="mb-4 p-2 position-absolute bottom-0 start-50 translate-middle-x small" style="width: auto; max-width: 200px; background-color: rgba(255, 255, 255, 0.6);"> <p class="mb-0">Lorem ipsum</p> <p class="mb-0">dolor sit</p> <div class="d-flex"> <p class="mb-...
mt20 { margin-top:20px; } .mt30 { margin-top:30px; } .mt50 { margin-top:50px; } .mt100 { margin-top:100px; } .mb5 { margin-bottom:5px; } .mb10 { margin-bottom:10px; } .mb15 { margin-bottom:15px; } .mb20 { margin-bottom:20px; } .mb30 { margin-bottom:30px; ...
<div class="float-right"> <img src="http://www.moonjams.net/NA-Logo_CentIND-11.gif" width="185" height="185" alt="logo"> </div> <h1 class="display-3">Burlington County Area of NA</h1> <p>"The only requirement for membership is a desire to stop using"...Tradition 3</p>...
<divclass="container"> <!--banner开始--> <divclass="banner"> <divclass="bd"> <ul> <listyle="background:url(picture/3.jpg) no-repeat center top;"></li> <listyle="background:url(picture/2.jpg) no-repeat center top;"></li> ...
<em> 表示强调，<strong> 表示更强烈的强调。并且在浏览器中<em> 默认用斜体表示，<strong> 用粗体...