body {
  background-color: navajowhite;
  height: 100%;
}

.main_div {
  width: 80%;
  margin: 20px auto;
}

.container_title {
  padding: 5px;
  width: 100%;
  margin: 10px;
  background: ivory;
  border: 2px solid navy;
  border-radius: 25px 25px 10px 10px;
}

.container_domain {
  overflow-y: scroll;
  max-height: 500px;
  padding: 10px;
  width: 100%;
  margin: 10px;
  background: darkseagreen;
  border: 2px solid navy;
  border-radius: 5px;
  display: flex;
  justify-content: space-around;
  align-items: center;  
  flex-wrap: wrap;
}

.container_contact {
  padding: 5px;
  width: 100%;
  margin: 10px;
  background: ivory;
  border: 2px solid navy;
  border-radius: 5px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.domain {
  display: inline-block;	
  flex: 1;
  margin: 5px auto;
  min-width: 270px;
  max-width: 270px;
  height: auto;
  background: ivory;
  border: 2px solid navy;
  border-radius: 10px;
  padding: 10px;
  text-align: center;
  font-size: 150%;
}

.contact {
  display: inline-block;
  margin: 5px;
  width: 350px;
  background: #FCFCFC;
  border: 1px solid navy;
  border-radius: 10px;
  padding: 3px;
  text-align: center;
  font-size: 125%;
}

p:hover {
  background: #E5E5E5;
}

h3 {
  text-align: center;
  width: auto;
  color: navy;
}

button {
  /*margin-bottom: 15px; !important;*/
}

.non-domain {
  display: inline-block;	
  flex: 1;
  margin: 5px auto;
  min-width: 270px;
  max-width: 270px;
  height: auto;
  background: gold;
  border: 2px solid navy;
  border-radius: 10px;
  padding: 10px;
  text-align: center;
  font-size: 150%;
}
















input:invalid+span:before {
  position: absolute;
  content: '✖';
  padding-left: 5px;
  color: #8b0000;
}

input:valid+span:before {
  position: absolute;
  content: '✓';
  padding-left: 5px;
  color: #009000;
}

textarea:invalid+span:before {
  position: absolute;
  content: '✖';
  padding-left: 5px;
  color: #8b0000;
}

textarea:valid+span:before {
  position: absolute;
  content: '✓';
  padding-left: 5px;
  color: #009000;
}

#add_form {
  text-align: left;
  /*margin: 0 auto;*/
  padding: 10px 15px 0 15px;
  width: 100%;
  height: 100%;
  background: azure;
  border: 3px solid navy;
  border-radius: 15px;
}

.form-control:valid {
  background-color: whitesmoke;
  border: 2px solid royalblue;
}

.form-control:invalid {
  background-color: lemonchiffon;
  border: 2px solid crimson;
}

#div_form {
  width: 50%;
  margin: 20px auto;
}

.form-row {
  margin-bottom: 10px;
}

.btn {
  margin: 10px 10px 0 10px; !important;
}