a{
    text-decoration: none;
}
.main-content {
    text-align: center;
    display: block;
    z-index: 99;
    width: 100%;
    float: left;
    width: 100%;
    position: absolute;
    top: 0;
    height: 100%;
    left: 0;
    padding: 16% 0;
}
.main-content  div{
    position: relative;
    z-index: 99;
}
.main-content img{
  width: 280px;
background: #fff;
padding: 2px;

  border-radius: 3px;
  margin-bottom: 12px;
}
.main-content .btn{
background: #69B7E6;
color: #fff;
padding: 10px;
text-align: center;
width: 280px;
display: block;
margin: 0 auto;
border-radius: 3px;
text-transform: uppercase;
    text-decoration: none;
}
.main-content:after{
    content: "";
width: 100%;
height: 100vh;
background: #0F1D42;
opacity: .5;
left: 0;
top: 0;
z-index: 9;
right: 0;
position: absolute;
}
body{
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}