form-control class to the inputdisabled to disable input field.value="VALUE" to set predefined value.readonly to set field readonly.placeholder="..." to input area.maxlength="6" to input area.minlength="5" to input area.input type="text"
input type="password"
input type="tel"
input type="email"
input type="url"
input type="search"
input type="number"
input type="datetime-local"
input type="date"
input type="time"
input type="week"
input type="month"
input type="color"
input type="range"
.custom-select classmultiple to the field.input-group-prepend class to the div.input-group-append class to the div.form-control-file class to the input.custom-file-input class to the input.input-group-prepend class to the div.input-group-append class to the divfloat-left class to the texttext-center class to the textfloat-right class to the textis-valid class to the inputis-invalid class to the inputform-horizontal class to the inputform-horizontal class to the input