*{
    margin: 0;
    padding: 0;
}
html,body{height:auto}
a{
    text-decoration: none;
    color: #fff;
}
ul,li{
    list-style: none;
}
.flex{
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}
.box{
    min-width: 1500px;
    width:94%;
    margin: 0 auto;
}
.box1{
    width: 1500px;
    margin: 0 auto;
}
.clear{
    clear: both;
}
.h10{
    height: 10px;
}
.h30{
    height: 30px;
}
.h50{
    height: 50px;
}
input{
    border: none;
    outline: none;
}