#titulo{
   position: absolute;
   left: 10%;
}

#practicas{
   font-family: Comic Sans MS;
   border-radius: 25px;
   border: 2px solid #292929; 2px solid;
   background: rgba(235,233,249,1);
   background: -webkit-linear-gradient(rgba(235,233,249,1) 0%, rgba(216,208,239,1) 27%, rgba(206,199,236,1) 36%, rgba(166,166,168,1) 100%);
   background: -o-linear-gradient(rgba(235,233,249,1) 0%, rgba(216,208,239,1) 27%, rgba(206,199,236,1) 36%, rgba(166,166,168,1) 100%);
   background: linear-gradient(rgba(235,233,249,1) 0%, rgba(216,208,239,1) 27%, rgba(206,199,236,1) 36%, rgba(166,166,168,1) 100%);
   filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ebe9f9', endColorstr='#a6a6a8', GradientType=0 );
   position: absolute;
   top:50%;
   left:50%;
   width:300px;
   margin-left:-150px;
   margin-top:-150px;
   padding:5px;
   text-align: center;
}

body{
   background-image: image();
}