/*Обнуление*/
*{
	padding: 0;
	margin: 0;
	border: 0;
}
*,*:before,*:after{
	-moz-box-sizing: border-box;
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
}
:focus,:active{outline: none;}
a:focus,a:active{outline: none;}
nav,footer,header,aside{display: block;}
html,body{
	height: 100%;
	width: 100%;
	font-size: 100%;
	line-height: 1;
	font-size: 14px;
	-ms-text-size-adjust: 100%;
	-moz-text-size-adjust: 100%;
	-webkit-text-size-adjust: 100%;
}
input,button,textarea{font-family:inherit;}
input::-ms-clear{display: none;}
button{cursor: pointer;}
button::-moz-focus-inner {padding:0;border:0;}
a, a:visited{text-decoration: none;}
a:hover{text-decoration: none;}
ul li{list-style: none;}
img{vertical-align: top;}
h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight: 400;}
/*--------------------*/

body{
	font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
	padding: 150px 30px 30px 30px;
	background-color: #334466;
}

.button_1 {
  background-color: #4CAF50; /* Green */
  border: none;
  color: white;
  padding: 15px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
}

.button_2 {
  background-color: #008CBA; /* Blue */
  border: none;
  color: white;
  padding: 15px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
}

.button_3 {
  background-color: #f44336; /* Red */
  border: none;
  color: white;
  padding: 15px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
}

.button_4 {
  background-color: #e7e7e7; /* Gray */
  border: none;
  color: black;
  padding: 15px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
}