* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 62.5%;
}

body {
    font-family: 'Roboto';
    font-weight: 400;
    font-size: 1.6rem;
    line-height: 1.5;
}
main {
    min-width: 36rem;
    background-color: #d2f5ff;
    box-shadow: 0 2rem 3rem rgba(0, 0, 0, 0.5);
    padding-bottom: 5rem;
    border-radius: 0.5rem;
}

#survey-form {
    padding: 0 5rem;
    line-height: 1.5rem;
    border-radius: 0.5rem;
    display: grid;
    grid-auto-flow: row;
    justify-content: center;
}

#feature-pic {
    object-fit: cover;
    width: 100%;
    height: 30rem;
    border-radius: 0.5rem 0.5rem 0 0;
}

header :is(h1, p) {
    margin-left: 3rem;
    margin-right: 3rem;
    text-align: center;
}

h1 {
    text-transform: uppercase;
    font-size: 2.4rem;
    margin-top: 2rem;
}

header p {
    margin-bottom: 2rem;
}

.labels {
    margin: 1.5rem 0 1rem;
    display: inline-block;
    font-weight: 500;
}

select:required:invalid {
    color: gray;
}

option[value=''][disabled] {
    display: none;
}

option {
    color: black;
}

input {
    accent-color: rgb(98, 21, 143);
}

.input {
    height: 4rem;
    border-radius: 0.5rem;
    border: 0;
    width: 100%;
    margin-bottom: 0.5rem;
    box-shadow: inset 0 0.1rem 0.2rem rgba(0, 0, 0, 0.5);
    padding-left: 1rem;
}

.input::placeholder {
    padding-left: 1rem;
}

.Thanks {
    text-align: center;
    margin-top: 3rem;
    margin-bottom: 1.5rem;
}

textarea {
    width: 100%;
    margin-bottom: 1rem;
    height: 10rem;
    resize: none;
    accent-color: rgb(98, 21, 143);
    box-shadow: inset 0 0.1rem 0.2rem rgba(0, 0, 0, 0.5);
    border-radius: 0.5rem;
}

.questions {
    margin-top: 1rem;
    margin-bottom: 2rem;
}

:is(.form-group2, .form-group3, .form-group4) {
    display: grid;
    grid-auto-flow: row;
    justify-content: start;
    text-align: left;
    margin: 1.5rem auto 2.5rem auto;
}

:is(.form-group2, .form-group3, .form-group4, .form-group5) p {
    margin-bottom: 1.5rem;
    line-height: 1.5;
    font-weight: 500;
}

:is(.form-group2, .form-group3, .form-group4) label {
    margin-bottom: 1.5rem;
}
:is(.input-radio, .input-checkbox) {
    margin-right: 0.5rem;
}

.form-group4 label input[name='Not in the list'] {
    margin-top: 1.5rem;
}

#submit {
    background-color: turquoise;
    color: black;
    border-radius: 0.4rem;
    height: 4rem;
    width: 100%;
    border: 0;
}

#submit:hover {
    background-color: rgb(98, 21, 143);
    color: white;
}

@media (min-width: 70rem) {
    main {
        width: 70rem;
        margin: 5rem auto;
    }
}