.up { 
  display: block; 
  position: fixed; 
  width: 0; 
  height: 0; 
  bottom: 23px; 
  right: 23px; 
  padding: 0; 
  overflow: hidden; 
  outline: none; 
  border: none; 
  border-radius: 2px; 
  box-shadow: 0 3px 10px rgba(57, 57, 57, 0.49); 
  cursor: pointer; 
  border-radius: 50%; 
  background: #DC8337; 
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0); 
  -webkit-transition: all 0.3s cubic-bezier(0.25, 0.25, 0, 1); 
  -ms-transition: all 0.3s cubic-bezier(0.25, 0.25, 0, 1); 
  -moz-transition: all 0.3s cubic-bezier(0.25, 0.25, 0, 1); 
  -o-transition: all 0.3s cubic-bezier(0.25, 0.25, 0, 1); 
  transition: all 0.3s cubic-bezier(0.25, 0.25, 0, 1); 
} 

.up:hover { 
  background-color: #DC8337; 
  text-decoration: none; 
  box-shadow: 0 3px 10px rgba(57, 57, 57, 0.49), 0 3px 15px rgba(57, 57, 57, 0.49); 
} 

.up::before { 
  position: absolute; 
  top: 50%; 
  left: 50%; 
  -webkit-transform: translate(-50%, -50%); 
  -ms-transform: translate(-50%, -50%); 
  -moz-transform: translate(-50%, -50%); 
  -o-transform: translate(-50%, -50%); 
  transform: translate(-50%, -50%); 
  content: ""; 
  width: 0; 
  border-radius: 100%; 
  background: #BB8566; 
} 

.up:active::before { 
  width: 120%; 
  padding-top: 120%; 
  -webkit-transition: all 0.2s ease-out; 
  -ms-transition: all 0.2s ease-out; 
  -moz-transition: all 0.2s ease-out; 
  -o-transition: all 0.2s ease-out; 
  transition: all 0.2s ease-out; 
} 

.up.reveal { 
  width: 40px; 
  height: 40px; 
} 

.up span { 
  display: block; 
  font-size: 25px; 
  color: #fff; 
} 

.up, 
.up::before { 
  background-image: url(/ie_design/up/up.svg); 
  background-position: center 50%; 
  background-repeat: no-repeat; 
}