/* btn Whatsapp */

.btn-whatsapp {
   position: fixed;
   display: flex;
   right: 30px;
   bottom: 20px;
   z-index: 5;
}

.btn-whatsapp a {
   text-decoration: none;
   display: block;
}

.btn-whatsapp img {
   width: 45px;
   z-index: 5;
}

.back-to-top {
   display: none;
   position: fixed;
   width: 40px;
   height: 40px;
   right: 30px;
   bottom: 100px;
   padding-left: 0;
   padding-right: 0;
   text-align: center;
   border-radius: 50%;
   z-index: 6;
}

.btn-back-to-top {
   justify-content: center;
   align-items: center;
   color: #ffffff;
   background-color: var(--secondary-blue);
   border-color: var(--secondary-blue);
   box-shadow: inset 0 0 0 50px transparent;
}

.btn-back-to-top:hover {
   color: #fff;
   background-color: var(--primary-blue-opacity);
   border-color: var(--primary-blue-opacity);
   box-shadow: inset 0 0 0 0 var(--shadow-1);
}