style.css

body {
  /* border-radius: 10px; */

  outline: none;
  border: none;
  text-decoration: none;
}

.skin-blue .wrapper {
  background-color: #e8e8e8;
}
.skin-blue .titlebar {
  background-color: #145374;
  color: white;
  -webkit-app-region: drag;
}
.skin-blue .titlebar a {
  color: white;
}
.skin-blue .titlebar a:hover {
  color: #5588a3;
}
.skin-blue .titlebar a:active {
  color: #00334e;
}
.skin-blue .titlebar a:visited {
  color: white;
}

.wrapper {
  height: 500px;
  width: 500px;
  border-radius: 10px;
  box-shadow: 2px 2px 5px #17202a;
}

.wrapper .titlebar {
  border-top-left-radius: 10px;
  border-top-right-radius: 10px;
  height: 32px;
}

.wrapper .titlebar p {
  float: left;
  padding-left: 5px;
  margin: 0;
}

.wrapper .titlebar a {
  padding-top: 8px;
  float: right;
  padding-right: 5px;
  text-decoration: none;
}