.region {background:green;
         border-radius: 10px 10px 10px 10px;
          box-shadow: inset 0px 0px 30px #dfdbdf;}

.button1 {
  background-color: gray; 
  color: black; 
  border: 2px solid #4CAF50;}

.button1:hover {
  background-color: red;
  color: white;
}

.button2 {
  background-color: #4CAF50; 
  color: black; 
  border: 2px solid #008CBA;
  border-radius: 50%;
  margin: 4px 4px;
   padding: 10px 10px;
}

.button3 {  background-color: white; 
            color: black; 
            border: 2px solid blue;}

.button4 {
  background-color: white;
  color: black;
  border: 2px solid #e7e7e7;
}

.button4:hover {background-color: #e7e7e7;
                 border: 2px solid red;}


.button5 {
  background-color: purple; 
  border: none;
  color: white;
  padding: 7px 10px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 10px;
  margin: 4px 2px;
  cursor: pointer;
  -webkit-transition-duration: 0.4s;
  transition-duration: 0.4s;
   box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.19);
}

.button6 {
  background-color: purple; /* Green */
  border: none;
  color: white;
  padding: 7px 10px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 4px 2px;
  cursor: pointer;
  -webkit-transition-duration: 0.4s; /* Safari */
  transition-duration: 0.4s;
}
.button6:hover {
 box-shadow: 0 12px 16px 0 rgba(0,0,0,0.24),0 17px 50px 0 rgba(0, 1, 0, 0.5);
}


.button7 {  display: inline-block;
  border-radius: 4px;
  background-color: #f4511e;
  border: none;
  color: #FFFFFF;
  text-align: center;
  font-size: 10px;
  padding: 10px;
  width: 80px;
  transition: all 0.5s;
  cursor: pointer;
  margin: 5px;}

.button7 span {
  cursor: pointer;
  display: inline-block;
  position: relative;
  transition: 0.5s;
}

.button7 span:after {
  content: '\00bb';
  position: absolute;
  opacity: 0;
  top: 0;
  right: -20px;
  transition: 0.5s;
}

.button7:hover span {
  padding-right: 25px;
}

.button7:hover span:after {
  opacity: 1;
  right: 0;
}