.kstd{
    width:100%;
    height:auto;}
.kstd li{
    width:20%;
    height:150px;
    text-align:center;
    float:left;}
.kstd li a{
    display:block;
    padding:10px 20px;
    height:150px;}
.kstd li a img{ 
    width:80px;}
.kstd li a img{
  cursor: pointer;
  transition: all 0.6s;}
.kstd li a img:hover{
  transform: scale(1.1);}   


.kstd li a .titi{
    height:50px;
    line-height:50px;
    font-size:16px;
    color:#494949;} 
.kstd li:hover a .titi{
    color:#0d4589;}