* {
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body{
    font-family: 'Arial', sans-serif;
}

h3{
    font-weight: 300;
}

hr{
    color: #F2F2F2;
}

input[type=text], select, textarea {
    width: 100%;
    padding: 12px 20px;
    margin: 8px 0;
    box-sizing: border-box;
    border: 2px solid #ffd9b3;
    border-radius: 4px;
}

label {
    padding: 12px 12px 12px 0;
    display: inline-block;
}

input[type=submit] {
    background-color: #4CAF50;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    float: right;
}

input[type=submit]:hover {
    background-color: #45a049;
}

.container {
    border-radius: 5px;
    background-color: #FAFAFA;
    padding: 20px;
}

.center-box {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center
}

.col-25 {
    float: left;
    width: 25%;
    margin-top: 6px;
}

.col-75 {
    float: left;
    width: 75%;
    margin-top: 6px;
}

.row:after {
    align-items: baseline;
    content: "";
    display: table;
    clear: both;
}

@media screen and (max-width: 600px) {
    .col-25, .col-75, input[type=submit] {
        width: 100%;
        margin-top: 0;
    }
}