我一直在尝试实现引导封面模板,但我很难进行设置。我确实能够从bootstraps网站上复制代码到我的代码中,这使封面占据了一半的高度。在样式中,它显然具有高度:100%,但是如果我将高度更改为其他百分比,则完全不会影响高度。但是,如果我将高度更改为740像素,则最终是我的屏幕相对高度,但是将来会出现问题。为什么高度百分比不影响它?
a,
a:focus,
a:hover {
color: #fff;
}
/* Custom default button */
.btn-secondary,
.btn-secondary:hover,
.btn-secondary:focus {
color: #333;
text-shadow: none; /* Prevent inheritance from `body` */
background-color: #fff;
border: .05rem solid #fff;
}
/*
* Base structure
*/
html,
body {
height: 740px;
background-color: #aaa;
}
body {
display: -ms-flexbox;
display: -webkit-box;
display: flex;
-ms-flex-pack: center;
-webkit-box-pack: center;
justify-content: center;
color: #fff;
text-shadow: 0 .05rem .1rem rgba(0, 0, 0, .5);
box-shadow: inset 0 0 5rem rgba(0, 0, 0, .5);
}
.cover-container {
max-width: 42em;
}
/*
* Header
*/
.masthead {
margin-bottom: 2rem;
}
.masthead-brand {
margin-bottom: 0;
}
.nav-masthead .nav-link {
padding: .25rem 0;
font-weight: 700;
color: rgba(255, 255, 255, .5);
background-color: transparent;
border-bottom: .25rem solid transparent;
}
.nav-masthead .nav-link:hover,
.nav-masthead .nav-link:focus {
border-bottom-color: rgba(255, 255, 255, .25);
}
.nav-masthead .nav-link + .nav-link {
margin-left: 1rem;
}
.nav-masthead .active {
color: #fff;
border-bottom-color: #fff;
}
@media (min-width: 48em) {
.masthead-brand {
float: left;
}
.nav-masthead {
float: right;
}
}
/*
* Cover
*/
.cover {
padding: 0 1.5rem;
}
.cover .btn-lg {
padding: .75rem 1.25rem;
font-weight: 700;
}
/*
* Footer
*/
.mastfoot {
color: rgba(255, 255, 255, .5);
}
答案 0 :(得分:0)
您可以尝试
html, body {
height: 100vh;
min-height: 100vh;
background-color: #aaa;
}