.btn{
cursor: pointer;
}
.content{
display: table;
width: 50%;
padding: 30px;
margin: 10% auto 0;
box-shadow: 0 0 10px 0 rgba(50,50,50,0.75);
text-align: center;
}
.article{
display: block;
width: 50%;
padding: 10px;
margin: 20px auto 30px;
box-shadow: 0 0 10px 0 rgba(50,50,50,0.75);
text-align: left;
}
.btn-primary{
color: #fff;
background-color: #navy;
border-color: #03a898;
}
.btn-primary:hover{
background-color: #red;
}