* {
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
    box-sizing: border-box;
}

body {
    background-color: aliceblue;
}

h1, h2, h3, h4, h5 {
    color: #333;
}

p, 
label {
    color: #444;
}

input,
textarea {
    border: none;
    border-bottom: 1px solid #ccc;
    padding: 10px 0;
    width: 100%;
}

input[type="file"] {
    border: none;
    padding: 0;
}

textarea {
    padding: 10px 5px;
    resize: vertical;
}

.header {
    height: 160px;
    padding: 20px;
    background-color: #673ab7;
}

.header h3 {
    color: #fff;
    margin-top: 0;
}

.form-container {
    background-color: #fdfdfd;
    width: 60%;
    margin: 0 auto;
    position: relative;
    top: -62px;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

.form-header {
    color: #673ab7;
    border-bottom: 2px solid #673ab7;
    width: 100px;
    text-align: center;
    margin: 0 auto 20px;
    text-transform: uppercase;
    height: 45px;
    line-height: 45px;
}

.form-title {
    margin-bottom: 15px;
}

.form-body p {
    margin-bottom: 20px; 
}

.required-field {
    color: #d80835;
}

.box-input {
    margin-bottom: 35px;
}

.block {
    display: block;
    width: 100%;
}

.optional-box {
    display: inline-block;
    margin: 0 30px 30px 0;
}

.optional-list li {
    list-style: none;
    margin-bottom: 5px;
}

.box-input p {
    margin-bottom: 15px;
}

.btn_submit {
    background-color: #673ab7;
    color: #fff;
    border: 2px solid transparent;
    width: 150px;
    height: 50px;
    cursor: pointer;
    text-transform: uppercase;
    transition: 0.5s;
    border-radius: 4px;
}

.btn_submit:hover {
    background-color: #fff;
    border-color: #673ab7;
    color: #673ab7;
}
