:root {
    --primary: #111;
    --secondary: #fd0;
}	

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {    
    font-family: sans-serif;
    background-color: var(--secondary);
}

.select-box {
  position: relative;
  width: 100%;
  float: left;
  margin-right: 10px;
}

.select-box input {
    width: 100%;
    padding: 1rem .6rem;
    font-size: 1.1rem;
    
    border: .1rem solid transparent;
    outline: none;
}

input[type="tel"] {
    border-radius: 0 .5rem .5rem 0;
}

.select-box input:focus {
    border: .1rem solid var(--primary);
}

.selected-option {
    background-color: #fff;
    border-radius: 4px;
    overflow: hidden;

    display: flex;
    justify-content: space-between;
    align-items: center;
}

.selected-option div {
    position: relative;
    width: 9rem;
    padding: 0 1.8rem 0 .5rem;
    text-align: center;
    cursor: pointer;
}

.selected-option div::after {
  content: "";
  display: inline-block;
  width: 16px;
  height: 16px;
  background-image: url("data:image/svg+xml;utf8;base64,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");
  background-repeat: no-repeat;
  position: absolute;
  right: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  background-size: 10px;
}

.selected-option div.active::after{
    transform: translateY(-50%) rotate(225deg);
}

.select-box .options {
    position: absolute;
    top: 4rem;
    
    width: 100%;
    background-color: #fff;
    border-radius: .5rem;

    display: none;
}

.select-box .options.active {
    display: block;
    z-index:9;
}

.select-box .options::before {
    position: absolute;
    content: "";
    left: 1rem;
    top: -1.2rem;

    width: 0;
    height: 0;
    border: .6rem solid transparent;
    border-bottom-color: var(--primary);
}

input.search-box {
    background-color: var(--primary);
    color: #fff;
    border-radius: .5rem .5rem 0 0;
    padding: 1rem 1rem;
}
.select-box ol {
  list-style: none;
  max-height: 400px;
  overflow-y: auto; 
  margin: 0 !important;
}


.select-box ol::-webkit-scrollbar {
    width: 0.6rem;
}

.select-box ol::-webkit-scrollbar-thumb {
    width: 0.4rem;
    height: 3rem;
    background-color: #ccc;
    border-radius: .4rem;
}

.select-box ol li {
    padding: 0.5rem;
    padding-left:0;
    display: flex;
    justify-content: space-between;
    cursor: pointer;
}

.select-box ol li.hide {
    display: none;
}

.select-box ol li:not(:last-child) {
    border-bottom: .1rem solid #eee;
}

.select-box ol li:hover {
    background-color: lightcyan;
}

.select-box ol li .country-name {
    margin-left: .4rem;
}