Botones CSS con Pseudo-Elementos de Codrops

Este mismo día me han preguntado por si podía hacer un tutorial sobre los botones espectaculares que tengo insertado en mi blog en cada demo de cada tutorial, qué voy publicando, en concreto para la gente que no sabe a que me refiero, a continuación verás el botón al que me refiero, y si le das click en él, podrás ver la demo del botón que vais a insertar, que pertenece el diseño, a Codrops, puedes aplicarlo, ya sea en un blog o una web. En total hay 5 demos, elige uno de ellos.
Demo!
Tutorial completo con los 5 ejemplos!
 Parte Css

.a_demo_aizum{
background-color:#01A0C7; 
font-family:'Consolas',sans-serif;
font-size:16px; 
text-decoration:none; 
color:#fff !important; 
position:relative; 
padding:10px 20px;
padding-right:50px;
background-image:linear-gradient(bottom,rgb(44,160,202) 0%,rgb(62,184,229) 100%);
background-image:-o-linear-gradient(bottom,rgb(44,160,202) 0%,rgb(62,184,229) 100%);
background-image:-moz-linear-gradient(bottom,rgb(44,160,202) 0%,rgb(62,184,229) 100%);
background-image:-webkit-linear-gradient(bottom,rgb(44,160,202) 0%,rgb(62,184,229) 100%);
background-image:-ms-linear-gradient(bottom,rgb(44,160,202) 0%,rgb(62,184,229) 100%);
background-image:-webkit-gradient(linear,left bottom,left top,color-stop(0,rgb(44,160,202)),color-stop(1,rgb(62,184,229)));
-webkit-border-radius:5px; 
-moz-border-radius:5px; -o-border-radius:5px;
border-radius:5px;
-webkit-box-shadow:inset 0px 1px 0px #2ab7ec,0px 5px 0px 0px #156785,0px 10px 5px #999;
-moz-box-shadow:inset 0px 1px 0px #2ab7ec,0px 5px 0px 0px #156785,0px 10px 5px #999; 
-o-box-shadow:inset 0px 1px 0px #2ab7ec,0px 5px 0px 0px #156785,0px 10px 5px #999; 
box-shadow:inset 0px 1px 0px #2ab7ec,0px 5px 0px 0px #156785,0px 10px 5px #999
}
.a_demo_aizum:active{top:3px; 
background-image:linear-gradient(bottom,rgb(62,184,229) 0%,rgb(44,160,202) 100%);
background-image:-o-linear-gradient(bottom,rgb(62,184,229) 0%,rgb(44,160,202) 100%); 
background-image:-moz-linear-gradient(bottom,rgb(62,184,229) 0%,rgb(44,160,202) 100%); 
background-image:-webkit-linear-gradient(bottom,rgb(62,184,229) 0%,rgb(44,160,202) 100%);
background-image:-ms-linear-gradient(bottom,rgb(62,184,229) 0%,rgb(44,160,202) 100%); background-image:-webkit-gradient(linear,left bottom,left top,color-stop(0,rgb(62,184,229)),color-stop(1,rgb(44,160,202))); -webkit-box-shadow:inset 0px 1px 0px #2ab7ec,0px 2px 0px 0px #156785,0px 5px 3px #999;
-moz-box-shadow:inset 0px 1px 0px #2ab7ec,0px 2px 0px 0px #156785,0px 5px 3px #999; -o-box-shadow:inset 0px 1px 0px #2ab7ec,0px 2px 0px 0px #156785,0px 5px 3px #999;
box-shadow:inset 0px 1px 0px #2ab7ec,0px 2px 0px 0px #156785,0px 5px 3px #999
}
.a_demo_aizum::before{background-color:#fff;
background-image:url(http://4.bp.blogspot.com/-QtmhvRy8cYk/UaTmztVm0ZI/AAAAAAAANrA/BJS0ZUJk7RY/s320/right_arrow.png); background-repeat:no-repeat; 
background-position:center center; 
content:""; 
width:20px;
height:20px; 
position:absolute; 
right:15px;
top:50%; 
margin-top:-9px; 
-webkit-border-radius:50%;
-moz-border-radius:50%;
-o-border-radius:50%; border-radius:50%; 
-webkit-box-shadow:inset 0px 1px 0px #052756,0px 1px 0px #60c9f0; 
-moz-box-shadow:inset 0px 1px 0px #052756,0px 1px 0px #60c9f0; 
-o-box-shadow:inset 0px 1px 0px #052756,0px 1px 0px #60c9f0; box-shadow:inset 0px 1px 0px #052756,0px 1px 0px #60c9f0
}
.a_demo_aizum:active::before{top:50%;
margin-top:-12px; 
-webkit-box-shadow:inset 0px 1px 0px #60c9f0,0px 3px 0px #0e3871,0px 6px 3px #1a80a6; 
-moz-box-shadow:inset 0px 1px 0px #60c9f0,0px 3px 0px #0e3871,0px 6px 3px #1a80a6;
-o-box-shadow:inset 0px 1px 0px #60c9f0,0px 3px 0px #0e3871,0px 6px 3px #1a80a6;
box-shadow:inset 0px 1px 0px #60c9f0,0px 3px 0px #0e3871,0px 6px 3px #1a80a6
}

Parte Html

<a class="a_demo_aizum" href="Url_Del_Enlace" target="_blank">Aquí_inserta_Texto!</a></center>

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