Getting bootstrap 2 button styling in bootstrap 3 - css

Question

I really liked the look & feel of btn btn-primary buttons in bootstrap 2 . I'm using bootstrap 3, and I don't like the flat look. I tried adding bootstrap-theme.css, which came long with bootstrap 3. But still its not the same.
Bootstrap 2 button:
Bootstrap 3 button:

Answer 1

As #AzDesign suggested, you want to copy the relevant css from BS 2 and use this as an override in your custom CSS. Here's a working example of BSv2 primary button styling in BS v3:
http://jsfiddle.net/panchroma/39zmy/
Good luck!
HTML
<button type="button" class="btn btn-primary">Primary</button>
CSS
.btn {
display: inline-block;
*display: inline;
padding: 4px 12px;
margin-bottom: 0;
*margin-left: .3em;
font-size: 14px;
line-height: 20px;
color: #333333;
text-align: center;
text-shadow: 0 1px 1px rgba(255, 255, 255, 0.75);
vertical-align: middle;
cursor: pointer;
background-color: #f5f5f5;
*background-color: #e6e6e6;
background-image: -moz-linear-gradient(top, #ffffff, #e6e6e6);
background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#ffffff), to(#e6e6e6));
background-image: -webkit-linear-gradient(top, #ffffff, #e6e6e6);
background-image: -o-linear-gradient(top, #ffffff, #e6e6e6);
background-image: linear-gradient(to bottom, #ffffff, #e6e6e6);
background-repeat: repeat-x;
border: 1px solid #cccccc;
*border: 0;
border-color: #e6e6e6 #e6e6e6 #bfbfbf;
border-color: rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);
border-bottom-color: #b3b3b3;
-webkit-border-radius: 4px;
-moz-border-radius: 4px;
border-radius: 4px;
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffffff', endColorstr='#ffe6e6e6', GradientType=0);
filter: progid:DXImageTransform.Microsoft.gradient(enabled=false);
*zoom: 1;
-webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
-moz-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
}
.btn:hover,
.btn:focus,
.btn:active,
.btn.active,
.btn.disabled,
.btn[disabled] {
color: #333333;
background-color: #e6e6e6;
*background-color: #d9d9d9;
}
.btn:active,
.btn.active {
background-color: #cccccc \9;
}
.btn:first-child {
*margin-left: 0;
}
.btn:hover,
.btn:focus {
color: #333333;
text-decoration: none;
background-position: 0 -15px;
-webkit-transition: background-position 0.1s linear;
-moz-transition: background-position 0.1s linear;
-o-transition: background-position 0.1s linear;
transition: background-position 0.1s linear;
}
.btn:focus {
outline: thin dotted #333;
outline: 5px auto -webkit-focus-ring-color;
outline-offset: -2px;
}
.btn.active,
.btn:active {
background-image: none;
outline: 0;
-webkit-box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05);
-moz-box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05);
box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05);
}
.btn-primary.active,
.btn-warning.active,
.btn-danger.active,
.btn-success.active,
.btn-info.active,
.btn-inverse.active {
color: rgba(255, 255, 255, 0.75);
}
.btn-primary {
color: #ffffff;
text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.25);
background-color: #006dcc;
*background-color: #0044cc;
background-image: -moz-linear-gradient(top, #0088cc, #0044cc);
background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#0088cc), to(#0044cc));
background-image: -webkit-linear-gradient(top, #0088cc, #0044cc);
background-image: -o-linear-gradient(top, #0088cc, #0044cc);
background-image: linear-gradient(to bottom, #0088cc, #0044cc);
background-repeat: repeat-x;
border-color: #0044cc #0044cc #002a80;
border-color: rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff0088cc', endColorstr='#ff0044cc', GradientType=0);
filter: progid:DXImageTransform.Microsoft.gradient(enabled=false);
}
.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active,
.btn-primary.active,
.btn-primary.disabled,
.btn-primary[disabled] {
color: #ffffff;
background-color: #0044cc;
*background-color: #003bb3;
}
.btn-primary:active,
.btn-primary.active {
background-color: #003399 \9;
}