.container {
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0px 3px 12px rgba(0,0,0,0.15);
    max-width: 350px;
    margin: 40px auto;
}
h1 {
    text-align:center;
}
input, select, textarea {
    border: 2px solid #ccc;
    padding: 10px;
    border-radius: 4px;
    width: 100%;
    box-sizing: border-box;
}
input:focus, textarea:focus {
  border-color:#e00719;
  outline: none;
  box-shadow: 0 0 5px rgba(0, 102, 204, 0.5);
} 
input:invalid, select:invalid, textarea:invalid {
    border-color: red;
}
input:valid, select:valid, textarea:valid {
    border-color: green;
    background-position: right 10px center;
    background-repeat: no-repeat;
    padding-right: 40px;
}
button {
    background-color: #4CAF50;
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    width:100%;
}
button:hover {
    background-color: #388E3C;
    transition: transform 0.3s;
    transform: scale(1.1);
}
.radio-group input[type="radio"] {
    margin-right: 7px;
    width: 18px;
    height: 18px;
}
.radio-group input[type="radio"]:checked {
    border: 2px solid #388E3C;
    background-color:#388E3C;
    box-shadow:0 0 0 3px rgba(14, 204, 90, 0.2);
}
.radio-group input[type="radio"]:checked + label {
    color:#388E3C;
    font-weight: bold;
}
input:first-of-type {
 font-family: arex;
 font-weight: bold;
    
}