html {
  scroll-behavior: smooth;
}


.flex-container {
  display: flex;
  align-items: stretch;
  background-color: #FFFFFF;
  font-family:Helvetica Neue;
  
}

.flex-container>div {
  background-color: #FFF; 
  margin: 30px; 
  font-size: 20px;
  font-family:arial;
  
}
@media screen and (max-width:500px){
.flex-container{
flex-flow:row wrap;
}
}

/**************************************************************/

.mainFlex1 {
  /*width: 97%;*/
  height: 500px;
 /* border: 5px solid #CCCCCC;*/
  display: flex;
  flex-flow: row wrap;
  
 align-items: center;
  justify-content: center;
  
  
}

.mainFlex1 div {
  width: 25%;
  
  height: 100px;
  margin: 30px; 
  
  border-radius:25px;
  padding:20px;
  text-align:center;
}

/**************************************************************/

a, a:visited, a:active {
  color: inherit;
}

a:hover {
  
}


/*********************************************************************/



/*example-0 scrollbar*/

.sb0::-webkit-scrollbar
{
    width: 8px;
    background-color: #FFFFFF;
}
.sb0::-webkit-scrollbar-thumb
{
    background-color: #999999;
    border-radius: 8px;
}
.sb0::-webkit-scrollbar-thumb:hover
{
    background-color: #666666;
    border: 1px solid #333333;
}
.sb0::-webkit-scrollbar-track
{
    border: 1px hidden #CCCCCC;
    border-radius: 0px;
    -webkit-box-shadow: 0 0 6px gray inset;
}


/*example-1 scrollbar*/

.sb1::-webkit-scrollbar
{
    width: 8px;
    height:8px;
    background-color: #fff;
}
.sb1::-webkit-scrollbar-thumb
{
    background-color: #d1dbe3;
    border-radius: 3px;
}
.sb1::-webkit-scrollbar-thumb:hover
{
    background-color: #ccc;
    border: 1px solid #ccc;
}
.sb1::-webkit-scrollbar-track
{
    border: 1px hidden #f9f9f9;
    border-radius: 3px;
    -webkit-box-shadow: 0 0 6px f5f5f5 inset;
}

/*example-2 scrollbar*/

.sb2::-webkit-scrollbar
{
    width: 13px;
    background-color: #F4F4F4;
}
.sb2::-webkit-scrollbar-thumb
{
    background-color: #999999;
    border-radius: 10px;
    
}
.sb2::-webkit-scrollbar-thumb:hover{
background-color:#666666;
border:1px solid #333333;
}
.sb2::-webkit-scrollbar-track
{
    border: 1px hidden #CCCCCC;
    border-radius: 10px;
    -webkit-box-shadow: 0 0 6px gray inset;
}



/*example-3 scrollbar*/

.sb3::-webkit-scrollbar
{
    width: 10px;
    background-color: transparent;
}
.sb3::-webkit-scrollbar-thumb
{
    background-color: #CCC;
    border-radius: 8px;
}
.sb3::-webkit-scrollbar-thumb:hover
{
    background-color: #999;
    border: 1px solid #999;
}
.sb3::-webkit-scrollbar-track
{
    border: 1px hidden transparent;
    border-radius: 10px;
    -webkit-box-shadow: 0 0 6px gray inset;
}


/*example-4 scrollbar*/

.sb4::-webkit-scrollbar
{
    
    height: 3px;
    background-color: #FFFFFF;
}
.sb4::-webkit-scrollbar-thumb
{
    background-color: #999999;
    border-radius: 8px;
}
.sb4::-webkit-scrollbar-thumb:hover
{
    background-color: #666666;
    border: 1px solid #333333;
}
.sb4::-webkit-scrollbar-track
{
    border: 1px hidden #CCCCCC;
    border-radius: 0px;
    -webkit-box-shadow: 0 0 6px gray inset;
}