_input.scss

input,
textarea,
select {
    border: 1px solid $grey-light;
    display: block;
    padding: 15px 20px;
    width: 100%;

    &:focus {
        box-shadow: 0 0 10px $grey-light;
        outline: none;
    }
}

input[type='radio'],
input[type='checkbox'] {
    position: absolute;
    transform: translateY(5px);
    width: auto;

    + label {
        padding-left: 20px;
    }
}

textarea {
    resize: vertical;
}