style.css

@charset"UTF-8";

/* CSS Document */
html,
body {
  margin: 0;
  padding: 0;
  font-family: 'Open Sans', sans-serif;
  color: #494949;
}

#wrapper {
  width: 300px;
  margin: 0 auto;
}

.callInfo {
  width: 190px;
  height: 70px;
  float: left;
}

#connectedCall .callInfo {
  width: 240px;
}

#dialPad div {
  -moz-user-select: -moz-none;
  -khtml-user-select: none;
  -webkit-user-select: none;

  /*
    Introduced in IE 10.
    See http://ie.microsoft.com/testdrive/HTML5/msUserSelect/
    */
  -ms-user-select: none;
  user-select: none;
}

.callInfo h3 {
  color: #389400;
  margin: 10px 0 10px 0;
}

.callInfo p {
  margin: 0px 25px 0px 0px;
  float: left;
}

#answer,
#hangUp,
#reject,
#connectCall,
#mute {
  color: #FFF;
  background-color: #389400;
  width: 50px;
  height: 50px;
  float: right;
  text-align: center;
  font-size: 30px;
  margin: 10px 0px 10px 0px;
  border-radius: 25px 25px 25px 25px;
  -moz-border-radius: 25px 25px 25px 25px;
  -webkit-border-radius: 25px 25px 25px 25px;
  cursor: pointer;
  cursor: hand;
}

#mute:active,
#connectCall:active,
#reject:active,
#hangUp:active,
#answer:active {
  background-color: #B6B6B6;
  -webkit-box-shadow: 0px 1px 7px 2px rgba(0, 0, 0, 0.45);
  -moz-box-shadow: 0px 1px 7px 2px rgba(0, 0, 0, 0.45);
  box-shadow: 0px 1px 7px 2px rgba(0, 0, 0, 0.45);
  border: none;
}

#hangUp,
#reject {
  -ms-transform: rotate(135deg);
  /* IE 9 */
  -webkit-transform: rotate(135deg);
  /* Chrome, Safari, Opera */
  transform: rotate(135deg);
}

#hangUp {
  background-color: #A90002;
}

#reject {
  background-color: #FFF;
  color: #A90002;
  margin-right: 10px;
}

#connectCall,
#mute {
  color: #FFF;
  background-color: #389400;
  width: 260px;
  height: 50px;
  font-size: 30px;
  text-align: center;
  margin: 20px 20px 0px 20px;
  border-radius: 5px 5px 5px 5px;
  -moz-border-radius: 5px 5px 5px 5px;
  -webkit-border-radius: 5px 5px 5px 5px;
  cursor: pointer;
  cursor: hand;
}

#mute {
  color: #545454;
  margin: 0 auto;
  width: 50px;
  height: 50px;
  margin: 15px 125px 10px 20px;
  border-radius: 25px 25px 25px 25px;
  -moz-border-radius: 25px 25px 25px 25px;
  -webkit-border-radius: 25px 25px 25px 25px;
  background-color: #FFF;
}

.muteActive {
  color: #FFF;
  background-color: #389400;
}

#to {
  border-bottom: 2px solid #BBBBBB;
}

#toField {
  margin-top: 20px;
  padding-left: 10px;
  font-size: 1em;
  font-family: 'Open Sans', sans-serif;
  width: 300px;
  height: 40px;
  border-radius: 2px 2px 2px 2px;
  -moz-border-radius: 2px 2px 2px 2px;
  -webkit-border-radius: 2px 2px 2px 2px;
  border: 0px solid #B8B8B8;
}

#dialPad {
  width: 240px;
  height: 308px;
  margin: 0 auto;
}

#dialPad div {
  float: left;
  width: 50px;
  height: 50px;
  text-align: center;
  font-size: 26px;
  margin: 25px 15px 0px 15px;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  border-radius: 25px 25px 25px 25px;
  -moz-border-radius: 25px 25px 25px 25px;
  -webkit-border-radius: 25px 25px 25px 25px;
  border: 1px solid #E8E8E8;
  padding-top: 5px;
}

#dialPad div:hover {
  background-color: #389400;
  color: #FFF;
  cursor: pointer;
  cursor: hand;
}

#dialPad div:active {
  background-color: #B2B2B2;
  -webkit-box-shadow: 0px 1px 7px 2px rgba(0, 0, 0, 0.45);
  -moz-box-shadow: 0px 1px 7px 2px rgba(0, 0, 0, 0.45);
  box-shadow: 0px 1px 7px 2px rgba(0, 0, 0, 0.45);
  border: none;
}

.fa {
  margin-top: 11px;
}

#answer .fa {
  -webkit-animation: callp 1s;
  animation: callp 1s;
  -webkit-animation-iteration-count: infinite;
  -webkit-animation-direction: alternate;
  -webkit-animation-play-state: running;
  animation-iteration-count: infinite;
  animation-direction: alternate;
  animation-play-state: running;
}

@-webkit-keyframes callp {
  from {
    color: #FFF;
  }

  to {
    color: #389400;
  }
}

@keyframes callp {
  from {
    color: #FFF;
  }

  to {
    color: #389400;
  }
}

#answer {
  -webkit-animation: call 1s;
  animation: call 1s;
  -webkit-animation-iteration-count: infinite;
  -webkit-animation-direction: alternate;
  -webkit-animation-play-state: running;
  animation-iteration-count: infinite;
  animation-direction: alternate;
  animation-play-state: running;
}

@-webkit-keyframes call {
  from {
    background: #389400;
  }

  to {
    background: #FFF;
  }
}

@keyframes call {
  from {
    background: #389400;
  }

  to {
    background: #FFF;
  }
}