.frame {
  width: 90%;
  margin: 40px auto;
  text-align: center;
}

.filter {
   width:200px; 
   height:40px; 
   border-color:#1a4190; 
   border-radius:5px;
}

.btn-icon {                
//  margin: 2px;
  background-color: transparent;
  border: none;
  color: white;
  font-size: 26px;
  cursor: pointer;  
}

.btn-icon span i:hover {
  color: navy;
}

.custom-btn {
  margin: 20px 20px 20px 0;
  width: 130px;
  height: 40px;
  color: #fff;
  border-radius: 5px;
  padding: 10px 25px;
  font-family: 'Lato', sans-serif;
  font-weight: 500;
  background: transparent;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  display: inline-block;
   box-shadow:inset 2px 2px 2px 0px rgba(255,255,255,.5),
   7px 7px 20px 0px rgba(0,0,0,.1),
   4px 4px 5px 0px rgba(0,0,0,.1);
  outline: none;
}


/* stile di tutti i bottoni */
.btn-7 {
background: linear-gradient(0deg, rgba(116,101,226,1) 0%, rgba(152,141,235,1) 100%);
  line-height: 42px;
  padding: 0;
  border: none;
}
.btn-7 span {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
}
.btn-7:before,
.btn-7:after {
  position: absolute;
  content: "";
  right: 0;
  bottom: 0;
  background: rgba(116,101,226,1); //rgba(251,75,2,1);
  box-shadow:
   -7px -7px 20px 0px rgba(255,255,255,.9),
   -4px -4px 5px 0px rgba(255,255,255,.9),
   7px 7px 20px 0px rgba(0,0,0,.2),
   4px 4px 5px 0px rgba(0,0,0,.3);
  transition: all 0.3s ease;
}
.btn-7:before {
   height: 0%;
   width: 2px;
}
.btn-7:after {
  width: 0%;
  height: 2px;
}
.btn-7:hover {
  color: rgba(116,101,226,1); //rgba(251,75,2,1);
  background: transparent;
}
.btn-7:hover:before {
  height: 100%;
}
.btn-7:hover:after {
  width: 100%;
}
.btn-7 span:before,
.btn-7 span:after {
  position: absolute;
  content: "";
  left: 0;
  top: 0;
  background: rgba(116,101,226,1); //rgba(251,75,2,1);
  box-shadow:
   -7px -7px 20px 0px rgba(255,255,255,.9),
   -4px -4px 5px 0px rgba(255,255,255,.9),
   7px 7px 20px 0px rgba(0,0,0,.2),
   4px 4px 5px 0px rgba(0,0,0,.3);
  transition: all 0.3s ease;
}
.btn-7 span:before {
  width: 2px;
  height: 0%;
}
.btn-7 span:after {
  height: 2px;
  width: 0%;
}
.btn-7 span:hover:before {
  height: 100%;
}
.btn-7 span:hover:after {
  width: 100%;
}



/* bottoni pił lunghi */
.custom-btn-8 {
  margin: 20px 20px 20px 0;
  width: 260px;
  height: 40px;
  color: #fff;
  border-radius: 5px;
  padding: 10px 25px;
  font-family: 'Lato', sans-serif;
  font-weight: 500;
  background: transparent;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  display: inline-block;
   box-shadow:inset 2px 2px 2px 0px rgba(255,255,255,.5),
   7px 7px 20px 0px rgba(0,0,0,.1),
   4px 4px 5px 0px rgba(0,0,0,.1);
  outline: none;
}

.btn-8 {
background: linear-gradient(0deg, rgba(116,101,226,1) 0%, rgba(152,141,235,1) 100%);
  line-height: 42px;
  padding: 0;
  border: none;
}
.btn-8 span {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
}
.btn-8:before,
.btn-8:after {
  position: absolute;
  content: "";
  right: 0;
  bottom: 0;
  background: rgba(116,101,226,1); //rgba(251,75,2,1);
  box-shadow:
   -7px -7px 20px 0px rgba(255,255,255,.9),
   -4px -4px 5px 0px rgba(255,255,255,.9),
   7px 7px 20px 0px rgba(0,0,0,.2),
   4px 4px 5px 0px rgba(0,0,0,.3);
  transition: all 0.3s ease;
}
.btn-8:before {
   height: 0%;
   width: 2px;
}
.btn-8:after {
  width: 0%;
  height: 2px;
}
.btn-8:hover {
  color: rgba(116,101,226,1); //rgba(251,75,2,1);
  background: transparent;
}
.btn-8:hover:before {
  height: 100%;
}
.btn-8:hover:after {
  width: 100%;
}
.btn-8 span:before,
.btn-8 span:after {
  position: absolute;
  content: "";
  left: 0;
  top: 0;
  background: rgba(116,101,226,1); //rgba(251,75,2,1);
  box-shadow:
   -7px -7px 20px 0px rgba(255,255,255,.9),
   -4px -4px 5px 0px rgba(255,255,255,.9),
   7px 7px 20px 0px rgba(0,0,0,.2),
   4px 4px 5px 0px rgba(0,0,0,.3);
  transition: all 0.3s ease;
}
.btn-8 span:before {
  width: 2px;
  height: 0%;
}
.btn-8 span:after {
  height: 2px;
  width: 0%;
}
.btn-8 span:hover:before {
  height: 100%;
}

.btn-8 span:hover:after {
  width: 100%;
}  
/* fine bottoni lunghi */

/* bottoni BL */
.custom-btn-but {
  margin: 20px 20px 20px 0;
  width: 240px;
  height: 40px;
  color: #fff;
  border-radius: 5px;
  padding: 10px 25px;
  font-family: 'Lato', sans-serif;
  font-weight: 500;
  background: transparent;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  display: inline-block;
   box-shadow:inset 2px 2px 2px 0px rgba(255,255,255,.5),
   7px 7px 20px 0px rgba(0,0,0,.1),
   4px 4px 5px 0px rgba(0,0,0,.1);
  outline: none;
}

.btn-but {
background: linear-gradient(0deg, rgba(116,101,226,1) 0%, rgba(152,141,235,1) 100%);
  line-height: 42px;
  padding: 0;
  border: none;
}
.btn-but span {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
}
.btn-but:before,
.btn-but:after {
  position: absolute;
  content: "";
  right: 0;
  bottom: 0;
  background: rgba(116,101,226,1); //rgba(251,75,2,1);
  box-shadow:
   -7px -7px 20px 0px rgba(255,255,255,.9),
   -4px -4px 5px 0px rgba(255,255,255,.9),
   7px 7px 20px 0px rgba(0,0,0,.2),
   4px 4px 5px 0px rgba(0,0,0,.3);
  transition: all 0.3s ease;
}
.btn-but:before {
   height: 0%;
   width: 2px;
}
.btn-but:after {
  width: 0%;
  height: 2px;
}
.btn-but:hover {
  color: rgba(116,101,226,1); //rgba(251,75,2,1);
  background: transparent;
}
.btn-but:hover:before {
  height: 100%;
}
.btn-but:hover:after {
  width: 100%;
}
.btn-but span:before,
.btn-but span:after {
  position: absolute;
  content: "";
  left: 0;
  top: 0;
  background: rgba(116,101,226,1); //rgba(251,75,2,1);
  box-shadow:
   -7px -7px 20px 0px rgba(255,255,255,.9),
   -4px -4px 5px 0px rgba(255,255,255,.9),
   7px 7px 20px 0px rgba(0,0,0,.2),
   4px 4px 5px 0px rgba(0,0,0,.3);
  transition: all 0.3s ease;
}
.btn-but span:before {
  width: 2px;
  height: 0%;
}
.btn-but span:after {
  height: 2px;
  width: 0%;
}
.btn-but span:hover:before {
  height: 100%;
}

.btn-but span:hover:after {
  width: 100%;
} 

/* fine bottoni BL */