カラムをわける
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.row .col6{
width: 50%;
padding-right: 15px;
padding-left: 15px;
}
.row .col4{
width: 33.333%;
padding-right: 15px;
padding-left: 15px;
}
.row .col3{
width: 25%;
padding-right: 15px;
padding-left: 15px;
}
.row{
display: flex;
margin-right: -15px;
margin-left: -15px;
flex-wrap: wrap;
margin-top: 20px;
}