.button1 {
  border: none;
  padding: 10px 24px;
  text-align: center;
color: #FFF;
text-align: center;
font-family:  "Roboto", sans-serif;
font-size: 16px;
font-style: normal;
font-weight: 600;
line-height:  29px; /* 207.143% */
letter-spacing: 0.1px;
  text-decoration: none;
  display: inline-block;
  margin: 4px 52px;
  transition-duration: 0.4s;
  cursor: pointer;
  border-radius: 4px;
  background-color: #176bb2; 
  
}

.button1:hover {
  background-color: #334862;
  color: white;
}

.img-header  {
  width: 150px !important;
  }
@media only screen and (max-width: 768px) {
.img-header {
    width: 200px !important;
    margin-left: 40px;
    margin-top: 20px;

   }