<input type="button">

[Yepkoo]

This defines your input code as a button

<input type="button" class="mycustomstyle" value="Submit Button">

You can also customize the button with color etc. css codes.

.mycustomstyle{
    border:0;
    padding:7px 20px;
    font-size:1rem;
    text-align:center;
    background: #CC4747;
    color: #FFFFFF;
    text-shadow: 1px 1px 1px #414141;
    border-radius: 5px;
}

.mycustomstyle:hover {
    background: #CC0000;
    color: #FFFFFF;
}