html {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

*,
*::before,
*::after {
  -webkit-box-sizing: inherit;
  box-sizing: inherit;
}

body {
  position: relative;
  font-family: "Montserrat", serif;
  font-size: 16px;
  line-height: 1.6;
  color: white;
  background: linear-gradient(180deg, #2d3f32 0%, #000 100%);
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
}

header {
  position: relative;
  -webkit-box-flex: 0;
  -ms-flex: 0 0 auto;
  flex: 0 0 auto;
}

.height-index {
   -webkit-box-flex: 1;
   -ms-flex: 1 1 auto;
   flex: 1 1 auto;
}

footer {
  padding: 45px 0;
  -webkit-box-flex: 0;
  -ms-flex: 0 0 auto;
  flex: 0 0 auto;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  padding: 0;
}

p {
  margin: 0;
  padding: 0;
}

a {
  text-decoration: none;
  color: inherit;
  outline: none;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.visually-hidden {
  position: absolute !important;
  clip: rect(1px, 1px, 1px, 1px);
  clip: rect(1px, 1px, 1px, 1px);
  width: 1px !important;
  height: 1px !important;
  margin: 0;
  padding: 0 !important;
  border: 0 !important;
}

.container {
  position: relative;
  -webkit-box-flex: 1;
  -ms-flex: 1 1 auto;
  flex: 1 1 auto;

  width: 100%;
  margin: 0 auto;
}

.container {
  max-width: 1401px;
  margin: 0 auto;
}

@media (max-width:720px) {
  .container{
    padding: 0 16px;
  }
}

button{
  cursor: pointer;
}