button file into input type code example

Example 1: input file define type

<input type="file" accept=".gif,.jpg,.jpeg,.png,.doc,.docx">

Example 2: custom input file button

<input id="file-upload" class="p-0" required name="photo" type="file" accept="image/jpeg, image/png, application/pdf" />

::-webkit-file-upload-button {
    background: #FF4B2B;
    color: white;
    padding: 8px 25px;
    font-size: 10px;
    border-radius: 20px;
    box-shadow: 0 4px 6px rgba(50, 50, 93, 0.11), 0 1px 3px rgba(0, 0, 0, 0.08);
    border-color: #FF4B2B;
    transition: all 0.15s ease;
    letter-spacing: 1px;
    box-sizing: border-box;
    outline: none;
    cursor: pointer;
    line-height: 1.5;
    display: inline-block;
    font-weight: bold;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    user-select: none;
    border: 1px solid transparent;
}