.btn-s1 {
  color: #FFFFFF;
  background-color: #428bca;
  border-color: #357ebd;
  font-size:10px;
}
.btn-s1:hover,
.btn-s1:focus,
.btn-s1:active,
.btn-s1.active,
.open .dropdown-toggle.btn-s1 {
  color: #ffffff;
  background-color: #3276b1;
  border-color: #285e8e;
  font-size:10px;
}

.btn-s2 {
  color: #ffffff;
  background-color: #33a517;
  border-color: #33a517;
  font-size:10px;
}
.btn-s2:hover,
.btn-s2:focus,
.btn-s2:active,
.btn-s2.active,
.open .dropdown-toggle.btn-s2 {
  color: #ffffff;
   background-color: #2b8914;
  border-color: #2b8914;
  font-size:10px;
}

.btn-s3 {
  color: #ffffff;
  background-color: #fb9e0b;
  border-color: #fb9e0b;
  font-size:10px;
}
.btn-s3:hover,
.btn-s3:focus,
.btn-s3:active,
.btn-s3.active,
.open .dropdown-toggle.btn-s3 {
  color: #ffffff;
   background-color: #e18d07;
  border-color: #e18d07;
  font-size:10px;
}

.btn-s4 {
  color: #ffffff;
  background-color: #999999;
  border-color: #999999;
  font-size:10px;
}
.btn-s4:hover,
.btn-s4:focus,
.btn-s4:active,
.btn-s4.active,
.open .dropdown-toggle.btn-s4 {
  color: #ffffff;
   background-color: #666666;
  border-color: #666666;
  font-size:10px;
}

.btn-s5 {
  color: #ffffff;
  background-color: #fe5601;
  border-color: #fe5601;
  font-size:10px;
}
.btn-s5:hover,
.btn-s5:focus,
.btn-s5:active,
.btn-s5.active,
.open .dropdown-toggle.btn-s5 {
  color: #ffffff;
   background-color: #e44f03;
  border-color: #e44f03;
  font-size:10px;
}

.blink {
    animation-iteration-count: infinite;
    animation-direction: alternate;
 
    -webkit-animation-name: blink; /* Chrome, Safari, Opera */
    -webkit-animation-duration: 2s; /* Chrome, Safari, Opera */
    animation-name: blink;
    animation-duration: 2s;
}
 
/* Chrome, Safari, Opera */
@-webkit-keyframes blink {
    from {color: red;}
    to {color: yellow;}
}
 
/* Standard syntax */
@keyframes blink {
    from {color: red;}
    to {color: yellow;}
}