/* ОБНУЛЕНИЕ СТИЛЕЙ */
*,
*::before,
*::after {
	margin: 0;
	padding: 0;
	border: 0;
	box-sizing: border-box;
	color: white;
}
li {
	list-style: none;
}
a,
a:visited {
	text-decoration: none;
}
a:hover {
	text-decoration: none;
}
h1,
h2,
h3,
h4,
h5,
h6 {
	font-weight: inherit;
	font-size: inherit;
}
img {
	vertical-align: top;
}
html,
body {
	height: 100%;
	font-size: 18px;
	font-family: sans-serif;
	line-height: 1;
}

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

h1 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 35px;
  font-weight: 500;
  line-height: 1.2;
}

.wrapper {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  height: 100vh;
	min-height: 100%;
	overflow: hidden;
	background-color: rgba(34,66,89,0.8);
  text-align: center;
}

.jumbotron {
  max-width: 700px;
	margin: 0px auto;
}

.teh h1 {
  font-size: 40px;
  margin: 15%;
}

.btn {
  display: inline-block;
    font-weight: 400;
    line-height: 1.5;
    text-decoration: none;
    vertical-align: middle;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
    background-color: transparent;
    border: 1px solid transparent;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    border-radius: 0.25rem;
    transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out;
    color: #0d6efd;
    border-color: #0d6efd;
    margin-bottom: 10px;
}

.btn:hover {
    color: #fff;
    background-color: #0d6efd;
    border-color: #0d6efd;
}