.other_stock{
    width: 950px;
    height: 150px;
    text-align: center;
    margin: 130px 0;
}

.square_btn{
    display: inline-block;
    padding: 2em 4em;
    text-decoration: none;
    background: #036eb8;/*ボタン色*/
    color: #FFF;
    border-bottom: solid 4px #627295;
    border-radius: 10px;
    font-size:25px;
}
.square_btn:active {/*ボタンを押したとき*/
    -ms-transform: translateY(4px);
    -webkit-transform: translateY(4px);
    transform: translateY(4px);/*下に動く*/
    border-bottom: none;/*線を消す*/
}
.mt0 {
    margin-top: 0px !important;
}
.ml0 {
    margin-left: 0px !important;
}
.mr0 {
    margin-right: 0px !important;
}
.mb0 {
    margin-bottom: 0px !important;
}