.selectbox {
    box-sizing: border-box;
    
  
    background: #fff;
    width: 100%;
    position: relative;
}
.selectbox-options {
    position: absolute;
    width: 100%;
    overflow: visible;
    z-index: 10;
}
.selectbox-options--hidden {
    display: none;
}
.selectbox__option {
    padding: 5px 10px;
    cursor: pointer;
    color: #555;
    background: #fff;
    border-left: 1px solid #ddd;
    border-right: 1px solid #ddd;
    display: flex;
    font-size:1.6rem;
    align-items: center;
    transition: .1s linear all;
}
.selectbox__option:first-child {
    border-top: 1px solid #ddd;
    border-top-left-radius:10px;
    border-top-right-radius: 10px;
}
.selectbox__option:last-child {
    border-bottom: 1px solid #ddd;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
}
.selectbox__option--selected {
   
}
.selectbox__label {
    cursor: pointer;
   margin-bottom:3px;
    position: relative;
    display: flex;
    align-items: center;
    border-radius: 10px;
    border:1px solid #ddd; 
  
    height: 50px;font-size: 1.7rem;color: #454545; background:#fff url(../image/sub/bar_arrow.png) no-repeat 98% 50%; 
    transition: 150ms linear all; -webkit-appearance: none; -moz-appearance: none;appearance: none;text-indent: 10px
}
.selectbox__label:after {
    
}