Small screen on both mobile and desktop view

Hi. I have added the css code as instructed above. I am getting the small screen version both on the Desktop and on the Mobile preview. Please let me know what I am doing wrong here:
Link:
Code:
@media screen and (max-width:480px){
#list {
width: 100%;
border-collapse: collapse;
}
#list tbody:first-child > tr > td {
display: block;
padding: 6px 1px;
}
#list tbody:first-child > tr:first-child {
display: none;
}
#list tbody:first-child > tr + tr + tr {
border-top: 1px solid #ccc;
}
#list > tbody:first-child tr td.col1 {
padding-top: 20px;
}
.buttonsColumn {
text-align: right;
}
.mobileColumnName {
display: block;
padding-bottom: 4px;
box-sizing: border-box;
}
.mobileColumnName + input, .mobileColumnName + textarea, .mobileColumnName + select, .mobileColumnName + .radio-container, .mobileColumnName + .checkbox-container, .mobileColumnName + .dateContainer, .stepper-wrap input.stepper {
width: 100%;
display: block;
box-sizing: border-box;
box-shadow: none;
max-width: 320px;
}
input, select {
padding: 5px 5px !important;
}
.checkbox-container, .radio-container {
column-width: 240px;
max-width: 500px !important;
}
.checkbox, .radio {
display: flex;
flex-direction: row;
align-items: start;
}
.checkbox input, .radio input {
margin-top: 2px;
}
}

Hi Sarmad,

Thanks for reaching out to Jotform Support. I understand that you're getting a small screen on both mobile and desktop views for your form. Kindly share the form URL and the website URL as well if it is embedded in a website. Share a screenshot as well in your response to help us understand better what is going on.

Once we hear back from you, we'll be able to help you with this.