.button {
  display: inline-block;
  border-radius: 4px;
  background-color: #f4511e;
  border: none;
  color: #FFFFFF;
  text-align: center;
  font-size: 14px;
  padding: 2px;
  width: 200px;
  transition: all 0.5s;
  cursor: pointer;
  margin: 5px;
}

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

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

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

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

.block_news{
    background-color: bisque;
    padding: 20px
px
;
}
.block_ads{
    background-color: lemonchiffon;
    padding: 20px
px
;
}


* {box-sizing: border-box; }
#flex-container { display: flex; flex-wrap: wrap; }
#flex-container > div {width: 50%; margin: 0px; padding: 0px; }
#flex-container > div:nth-of-type(1) {width: 20%; }
#flex-container > div:nth-of-type(2) {width: 80%; align-self: center; }