body{
    background-image:url("../img/flo.jpg");
    background-repeat: no-repeat;
    background-size: cover;
    height: 100%;
    width: 100%;
}

.titulo{
    font-family: 'Staatliches', cursive;
    font-size: 20px;
    background: #fff;
    width:190px;
    margin-top: 100px;
    margin: 70px 39rem 100px;
    padding:20px;
    border:1px solid #fff;
    padding-left: 15%;
    padding-right: 15%;
    margin-bottom: 90px;
  }


  
  .btn {
    margin: 0 49rem 0 ;
    display: block;
    height: 77px;
    width: 300px;
    border-radius: 4px;
    text-transform: uppercase;
    background-color: transparent;
    color: #000;
    font-size: 18px;
    overflow: hidden;
    transition: all 500ms ease;
    border: 2px solid #d7b7bc;
    margin-bottom: 40px;
    z-index: 0;
    font-weight: 700;
    cursor: pointer;
  }
  .btn::before {
    content: "";
    left: 0;
    right: 0;
    top: 0;
    background-color: #d7b7bc;
    transition: all 500ms ease;
    z-index: -1;
  }
  
  .btn--3:hover {
    animation: shadow-pulse 1000ms 1;
    background-color: #d7b7bc;
    color: #000;
  }
  
  @keyframes shadow-pulse {
    0% {
      box-shadow: 0 0 0 0 rgb(215,183,188);
    }
    100% {
      box-shadow: 0 0 8px 16px rgba(32, 226, 215, 0);
    }
  }

 @media  screen and (max-width: 768px) {
   body{
      width:100%;
   }
   .titulo{
     width:50%;
     margin-left:20px;
     float:left;
     font-size:small;
   }
   .btn--3{
     width:50%;
     float:left;
     margin-left:20px;
     font-size:small;
   }
  
   
 }