By Adding Some Css Codes to your blogger Template You Can Customize Your Labels With Cool Effect.This labels is Created by Stylifyyourblog. This label hack can be easily applied to your labels By just Follow The Below Steps :

• Go to Blogger Dashboard > Design > Edit HTML.
• Download/Backup your template.
  
• Find ]]></b:skin>
  
• Add below code just above  ]]></b:skin>

.label-size {
    float: left;
    margin: 0 0 7px 20px;
    position: relative;
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 0.75em;
    font-weight: bold;
    text-decoration: none;
    color: #996633;
    text-shadow: 0px 1px 0px rgba(255,255,255,.4);
    padding: 0.417em 0.417em 0.417em 0.917em;
    border-top: 1px solid #d99d38;
    border-right: 1px solid #d99d38;
    border-bottom: 1px solid #d99d38;
    -webkit-border-radius: 0 0.25em 0.25em 0;
    -moz-border-radius: 0 0.25em 0.25em 0;
    border-radius: 0 0.25em 0.25em 0;
    background-image: -webkit-linear-gradient(top, rgb(254, 218, 113), rgb(254, 186, 71));
    background-image: -moz-linear-gradient(top, rgb(254, 218, 113), rgb(254, 186, 71));
    background-image: -o-linear-gradient(top, rgb(254, 218, 113), rgb(254, 186, 71));
    background-image: -ms-linear-gradient(top, rgb(254, 218, 113), rgb(254, 186, 71));
    background-image: linear-gradient(top, rgb(254, 218, 113), rgb(254, 186, 71));
    filter: progid:DXImageTransform.Microsoft.gradient(GradientType=0,StartColorStr='#feda71', EndColorStr='#feba47');
    -webkit-box-shadow: inset 0 1px 0 #faeaba,
        0 1px 1px rgba(0,0,0,.1);
    -moz-box-shadow: inset 0 1px 0 #faeaba,
        0 1px 1px rgba(0,0,0,.1);
    box-shadow: inset 0 1px 0 #faeaba,
        0 1px 1px rgba(0,0,0,.1);
    z-index: 1;
}
.label-size:before {
    content: '';
    width: 1.30em;
    height: 1.39em;
    background-image: -webkit-linear-gradient(left top, rgb(254, 218, 113), rgb(254, 186, 71));
    background-image: -moz-linear-gradient(left top, rgb(254, 218, 113), rgb(254, 186, 71));
    background-image: -o-linear-gradient(left top, rgb(254, 218, 113), rgb(254, 186, 71));
    background-image: -ms-linear-gradient(left top, rgb(254, 218, 113), rgb(254, 186, 71));
    background-image: linear-gradient(left top, rgb(254, 218, 113), rgb(254, 186, 71));
    filter: progid:DXImageTransform.Microsoft.gradient(GradientType=1,StartColorStr='#feda71', EndColorStr='#feba47');
    position: absolute;
    left: -0.69em;
    top: .2em;
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    transform: rotate(45deg);
    border-left: 1px solid #d99d38;
    border-bottom: 1px solid #d99d38;
    -webkit-border-radius: 0 0 0 0.25em;
    -moz-border-radius: 0 0 0 0.25em;
    border-radius: 0 0 0 0.25em;
    z-index: 1;
}
.label-size:after {
    content: '';
    width: 0.5em;
    height: 0.5em;
    background: #fff;
    -webkit-border-radius: 4.167em;
    -moz-border-radius: 4.167em;
    border-radius: 4.167em;
    border: 1px solid #d99d38;
    -webkit-box-shadow: 0 1px 0 #faeaba;
    -moz-box-shadow: 0 1px 0 #faeaba;
    box-shadow: 0 1px 0 #faeaba;
    position: absolute;
    top: 0.667em;
    left: -0.083em;
    z-index: 9999;
}
#Label1 {
    height: 210px;
}
.label-size:hover {
    background-image: -webkit-linear-gradient(top, rgb(254, 225, 141), rgb(254, 200, 108));
    background-image: -moz-linear-gradient(top, rgb(254, 225, 141), rgb(254, 200, 108));
    background-image: -o-linear-gradient(top, rgb(254, 225, 141), rgb(254, 200, 108));
    background-image: -ms-linear-gradient(top, rgb(254, 225, 141), rgb(254, 200, 108));
    background-image: linear-gradient(top, rgb(254, 225, 141), rgb(254, 200, 108));
    filter: progid:DXImageTransform.Microsoft.gradient(GradientType=0,StartColorStr='#fee18d', EndColorStr='#fec86c');
    border-color: #e1b160;
}
.label-size:hover:before {
    background-image: -webkit-linear-gradient(left top, rgb(254, 225, 141), rgb(254, 200, 108));
    background-image: -moz-linear-gradient(left top, rgb(254, 225, 141), rgb(254, 200, 108));
    background-image: -o-linear-gradient(left top, rgb(254, 225, 141), rgb(254, 200, 108));
    background-image: -ms-linear-gradient(left top, rgb(254, 225, 141), rgb(254, 200, 108));
    background-image: linear-gradient(left top, rgb(254, 225, 141), rgb(254, 200, 108));
    filter: progid:DXImageTransform.Microsoft.gradient(GradientType=1,StartColorStr='#fee18d', EndColorStr='#fec86c');
    border-color: #e1b160;
}

• Now Save Your Template, And You Are Done !

That’s All :)