.bk-clear {
overflow: hidden;
display: block;
clear: both;
}
.bk-button-wrapper a {
border: none;
padding: 0;
margin: 0;
-webkit-transition: all .3s ;
-moz-transition: all .3s ;
-o-transition: all .3s ;
transition: all .3s ;
}
.bk-button-wrapper .bk-button {
font-family: Arial, Helvetica, sans-serif;
color: #ffffff;
padding: 5px 12px;
font-size: 12px;
background: #6b6b6b;
background: -moz-linear-gradient(
top,
#6b6b6b 0%,
#000000);
background: -webkit-gradient(
linear, left top, left bottom, 
from(#6b6b6b),
to(#000000));
border: 1px solid #000000;
text-shadow:
0px -1px 0px rgba(000,000,000,0.4),
0px 1px 0px rgba(255,255,255,0.3);
display: inline-block;
-webkit-box-shadow: 0px 0px 3px 1px rgba(0, 0, 0, .4);
-moz-box-shadow: 0px 0px 3px 1px rgba(0, 0, 0, .4);
box-shadow: 0px 0px 3px 1px rgba(0, 0, 0, .4);
margin: 10px;
behavior: url(//nhanduyentam.org/wp-content/plugins/easy-shortcode-buttons/PIE.htc);
}
.bk-button-wrapper a:hover {
color: none;
opacity: 0.8;
}
.bk-button-wrapper .small {
padding: 5px 12px;
font-size: 12px;
}
.bk-button-wrapper .large {
padding: 10px 22px;
font-size: 14px;
}
.bk-button-wrapper .circle {
border-radius: 1.5em;
-moz-border-radius: 1.5em;
-webkit-border-radius: 1.5em;
}
.bk-button-wrapper .rounded {
border-radius: 6px;
-moz-border-radius: 6px;
-webkit-border-radius: 6px;
}
.bk-button-wrapper .square {
border-radius: 0;
-moz-border-radius: 0;
-webkit-border-radius: 0;
}
.bk-button-wrapper .left {
float: left;
}
.bk-button-wrapper .right {
float: right;
}
.bk-button-wrapper .blue {	
color: #ffffff;
border: 1px solid #325273;
background: #258dc8;
background: -moz-linear-gradient(
top,
#258dc8 0%,
#003366);
background: -webkit-gradient(
linear, left top, left bottom, 
from(#258dc8),
to(#003366));
}
.bk-button-wrapper .red {
color: #ffffff;
background: #ff4242;
background: -moz-linear-gradient(
top,
#ff4242 0%,
#c40000);
background: -webkit-gradient(
linear, left top, left bottom, 
from(#ff4242),
to(#c40000));
border: 1px solid #8f0007;
}
.bk-button-wrapper .yellow {
color: #a67906;
background: #ffffaf;
background: -moz-linear-gradient(
top,
#ffffaf 0%,
#ffce51 50%,
#ffbc11);
background: -webkit-gradient(
linear, left top, left bottom, 
from(#ffffaf),
color-stop(0.50, #ffce51),
to(#ffbc11));
border: 1px solid #a67906;
text-shadow:
0px -1px 0px rgba(166,121,006,1),
0px 1px 0px rgba(255,255,255,0.2);
}
.bk-button-wrapper .green {
color: #ffffff;
background: #78ad4c;
background: -moz-linear-gradient(
top,
#78ad4c 0%,
#174209);
background: -webkit-gradient(
linear, left top, left bottom, 
from(#78ad4c),
to(#174209));
border: 1px solid #007304;
}
.bk-button-wrapper .white {
color: #616f7a;
background: #ffffff;
background: -moz-linear-gradient(
top,
#ffffff 0%,
#ffffff 50%,
#d6d6d6);
background: -webkit-gradient(
linear, left top, left bottom, 
from(#ffffff),
color-stop(0.50, #ffffff),
to(#d6d6d6));
border: 1px solid #bbbbbb;
text-shadow:
0px -1px 0px rgba(000,000,000,0),
0px 1px 0px rgba(255,255,255,1);
}