css for drop down list

[chercm]

i have a user drop down list but no matter what i do , the input box area is way too small 

how can i increase it ?

.sn-record-picker {
width: 100%;
max-width: 600px; /* Ensure it spans across the available width */
font-size: 1.6em;
padding: 10px;
height: 100px; /* Ensure it's large enough */
border-radius: 8px;

[chercm]

@Murtaza Saify  i tried this : 

.sn-record-picker input {
  height: 50px; /* Adjust height as needed */
  font-size: 1.6em; /* Adjust font size */
  padding: 10px; /* Adjust padding */
}
it does not work

[chercm]

@Murtaza Saify  i am trying to change this box :