封面高度设置为100%时中途

时间:2018-07-04 08:56:52

标签: html css angular bootstrap-4

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);
} 

1 个答案:

答案 0 :(得分:0)

您可以尝试

html, body {
    height: 100vh;
    min-height: 100vh;
    background-color: #aaa; 
}