.c1 input, .c2 input{
  width: 48%;
}
.c1 .nom, .c2 .email{
  margin-right: 2%;
}
.c1 .prenom, .c2 .tel{
  margin-left: 2%;
}
.sujet{
  margin-bottom: 15px;
}
.c1 input, .c2 input, .c3 textarea, .c3 input{
  border: 1px solid #c7ac7f;
}
.c1 input::placeholder, .c2 input::placeholder, .c3 textarea::placeholder, .c3 input::placeholder{
  color: #000000 !important;
}
.c1 input:active, .c2 input:active, .c3 textarea:active, .c3 input:active{
  border: 1px solid #c7ac7f !important;
}
.c1 input:focus-visible, .c2 input:focus-visible, .c3 textarea:focus-visible, .c3 input:focus-visible{
  border: 1px solid #c7ac7f !important;
}
.c4 p{
  text-align: center;
}
.c4 input{
  background-color: rgba(0, 0, 0, 0) !important;
  position: relative;
  padding: 15px 25px;
  transition: all ease 0.3s;
  color: #c7ac7f;
  font-weight: 500 !important;
  border: 1px solid #c7ac7f;
  transition: all ease 0.3s;
  border-radius: 0px;
}
.c4 input:hover{
  color: #070707;
  background-color: #c7ac7F !important;
}