.form-control{
  text-align: center;
}
.form-control:hover{
  text-align: center;
  border:1px solid #045FB4
}
.r_contra{
  color:#045FB4;
}
.r_contra:hover{
  color: #5882FA;
}
.my-btn{
border: none;
color: white;
padding: 5px;
text-align: center;
text-decoration: none;
display: inline-block;
font-size: 18px;
margin: 4px 2px;
cursor: pointer;
-webkit-transition-duration: 0.4s; /* Safari */
transition-duration: 0.4s;
background-image: linear-gradient(#045FB4, #5882FA);
border-radius: 15px;
}
.my-btn:hover{
  box-shadow: 0 12px 16px 0 rgba(0,0,0,0.24),0 17px 50px 0 rgba(0,0,0,0.19);
  background-image: linear-gradient(#81BEF7, #045FB4);
  color: #fff;
}
.alert {
padding: 6px;
background-color: #f44336;
color: white;
text-align: center;
}

.closebtn {
margin-left: 15px;
color: white;
font-weight: bold;
float: right;
font-size: 22px;
line-height: 20px;
cursor: pointer;
transition: 0.3s;
}

.closebtn:hover {
color: black;
}