.back_red
{
    background-color: #8A2A2B!important;
    transition: .3s;
}
.back_yellow
{
    background-color: #ffc107!important;
    transition: .3s;
}
.back_blue
{
    background-color: #2196f3!important;
    transition: .3s;
}
.back_skyblue
{
    background-color: #03a9f4!important;
    transition: .3s;
}
.back_orange
{
    background-color: #ff5722!important;
    transition: .3s;
}

.back_purple
{
    background-color: #673ab7!important;
    transition: .3s;
}
.back_nevy
{
    background-color: #091a7a!important;
    transition: .3s;
}

.buttonS1{
  display: inline-block;
  position: relative;
  background: none;
  border: none;
  color: #fff;
  font-size: 16px;
  cursor: pointer;
  margin: 20px 30px;
}
.buttonS1 span{
  display: block;
  padding: 25px 25px;
}
.buttonS1::before, .buttonS1::after{
  content:"";
  width: 0;
  height: 2px;
  position: absolute;
  transition: all 0.2s linear;
  background: #fff;
}

.buttonS1 span::before, .buttonS1 span::after{
  content:"";
  width:2px;
  height:0;
  position: absolute;
  transition: all 0.2s linear;
  background: #fff;
}
.buttonS1:hover::before, .buttonS1:hover::after{
  width: 100%;
}
.buttonS1:hover span::before, .buttonS1:hover span::after{
  height: 100%;
}
/*----- button 1 -----*/
.btn-1::before, .btn-1::after{
  transition-delay: 0.2s;
}
.btn-1 span::before, .btn-1 span::after{
  transition-delay: 0s;
}
.btn-1::before{
  right: 0;
  top: 0;
}
.btn-1::after{
  left: 0;
  bottom: 0;
}
.btn-1 span::before{
  left: 0;
  top: 0;
}
.btn-1 span::after{
  right: 0;
  bottom: 0;
}
.btn-1:hover::before, .btn-1:hover::after{
  transition-delay: 0s;
}
.btn-1:hover span::before, .btn-1:hover span::after{
  transition-delay: 0.2s;
}

/*--- Button 2 -------*/


.btn-2::before, .btn-2::after{
  transition-delay: 0s;
}
.btn-2 span::before, .btn-2 span::after{
  transition-delay: 0.2s;
}
.btn-2::before{
  right: 0;
  top: 0;
}
.btn-2::after{
  left: 0;
  bottom: 0;
}
.btn-2 span::before{
  left: 0;
  top: 0;
}
.btn-2 span::after{
  right: 0;
  bottom: 0;
}
.btn-2:hover::before, .btn-2:hover::after{
  transition-delay: 0.2s;
}
.btn-2:hover span::before, .btn-2:hover span::after{
  transition-delay: 0s;
}


/*----- button 3 -----*/
.btn-3::after{
  left: 0;
  bottom: 0;
  transition-delay: 0.6s;
}
.btn-3 span::after{
  transition-delay: 0.4s;
  right: 0;
  bottom: 0
}
.btn-3::before{
  right: 0;
  top: 0;
  transition-delay: 0.2s;
}
.btn-3 span::before{
  transition-delay: 0s;
  left: 0;
  top: 0;
}

.btn-3:hover::after{
  transition-delay: 0s;
}
.btn-3:hover span::after{
  transition-delay: 0.2s;
}
.btn-3:hover::before{
  transition-delay: 0.4s;
}
.btn-3:hover span::before{
  transition-delay: 0.6s;
}

/*----- button 4 -----*/
.btn-4::after{
  right:0;
  bottom: 0;
  transition-duration: 0.4s;
}
.btn-4 span::after{
  right:0;
  bottom: 0;
  transition-duration: 0.4s;
}
.btn-4::before{
  left: 0;
  top: 0;
  transition-duration: 0.4s;
}
.btn-4 span::before{
  left: 0;
  top: 0;
  transition-duration: 0.4s;
}

/*----- button 5 -----*/
.btn-5::after{
  left:0;
  bottom: 0;
  transition-duration: 0.4s;
}
.btn-5 span::after{
  right:0;
  top: 0;
  transition-duration: 0.4s;
}
.btn-5::before{
  right: 0;
  top: 0;
  transition-duration: 0.4s;
}
.btn-5 span::before{
  left: 0;
  bottom: 0;
  transition-duration: 0.4s;
}

/*----- button 6 -----*/
.btn-6::before{
  left: 50%;
  top: 0;
  transition-duration: 0.4s;
}
.btn-6::after{
  left: 50%;
  bottom: 0;
  transition-duration: 0.4s;
}
.btn-6 span::before{
  left: 0;
  top: 50%;
  transition-duration: 0.4s;
}
.btn-6 span::after{
  right: 0;
  top: 50%;
  transition-duration: 0.4s;
}
.btn-6:hover::before, .btn-6:hover::after{
  left: 0;
}
.btn-6:hover span::before, .btn-6:hover span::after{
  top: 0;
}
.cpoint a{
    color: #FFF;
}

.fbtn.buttonS1 span {
    padding: 17px 30px;
    text-transform: uppercase;
}