* {
  box-sizing: border-box;
}

body {
  padding: 0;
  margin: 0;
  font-family: 'Thasadith', sans-serif;
  position: relative;
}

.container {
  max-width: 1920px;
  background-color: rgb(243, 243, 243);
}

.header {
  background-color: #3696EB;
  text-align: center;
  margin-bottom: 15px;
  color: #ffffff;
}

.header h2 {
  padding: 15px 0;
  margin: 0;
}

.main-section {
  display: flex;
}

.filter {
  min-width: 320px;
  padding: 0 25px;
  color: #000000;
}

.filter .fa {
  font-size: 20px;
  padding-left: 10px;
}

.search {
  position: relative;
  margin-top: 10px;
}

.search .search__input {
  border: none;
  width: 100%;
  padding: 15px;
  border-radius: 5px;
}

.filter__gender-male,
.filter__gender-femele,
.filter__gender-all,
.filter__age-up,
.filter__age-down,
.filter__name-asc,
.filter__name-desc
 {
  padding: 7px;
  margin-bottom: 7px;
  border-radius: 5px;
  background-color: #3696EB;
}

.btn__center {
  text-align: center;
}

/************button**************/
.filter__reset {
  margin-top: 25px;
  display: inline-block;
  border: none;
  color: #fff;
  text-decoration: none;
  background-color: #3696EB;
  padding: 15px 45px;
  font-size: 13px;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 3px;
  border-radius: 5px;
  text-align: center;
  position: relative;
  outline: none;
  transition: background-color .25s ease;
  border-radius: 5px;
  cursor: pointer;
}

.filter__reset::after {
  transition: background-color .2s ease;
  position: absolute;
  content: '';
  height: 4px;
  bottom: 0;
  width: 100%;
  background-color: black;
  opacity: .18;
  border-bottom-left-radius: 5px;
  border-bottom-right-radius: 5px;
  left: 0;
}

.filter__reset:focus, .button:hover {
  text-decoration: none;
  color: #fff;
}

.filter__reset:hover {
  background-color: rgb(37, 136, 223);;
}

.filter__reset:hover::after {
  opacity: .22;
}

.filter__reset:active {
  background-color: rgb(37, 136, 223);;
}

.filter__reset:active::after {
  opacity: .32;
}

.button__scroll {
  display: none;
  position: fixed;
  bottom: 5px;
  right: 10px;
  font-size: 30px;
  background-color: rgba(54, 151, 235, 0.6);
  border-radius: 10em;
  width: 40px;
  height: 40px;
  border: none;
  color: #ffffff;
  cursor: pointer;
}

.button__scroll.show {
  display: block;
}

/**************user cards***************/

.users {
  display: flex;
  flex-wrap: wrap;
  text-align: center;
  justify-content: center;
}

.users i {
  font-size: 22px;
}

.users .user {
  width: 280px;
  height: 390px;
  background-color: #3696EB;
  border-radius: 7px;
  box-shadow: 0px 10px 20px -1px rgba(0,0,0,0.33);
  padding: 5px 25px;
  margin: 10px;
  color: #ffffff;
  transition: all .25s ease;
}

.users .user:hover {
  background-color: rgb(37, 136, 223);
  transform: scale(.99);
}

.users .user img {
  border-radius: 100%;
}

.user .user__gender {
  margin-bottom: 40px;
  font-size: 18px;
}
.user .user__name {
  text-transform: capitalize;
  font-size: 26px;
}
.user .user__phone {
  display: flex;
  justify-content: space-between;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, .5);
}
.user .user__email {
  display: flex;
  justify-content: space-between;
  word-wrap: break-word;
}

/****** custom radio ******/
[type="radio"]:checked,
[type="radio"]:not(:checked) {
    position: absolute;
    left: -9999px;
}
[type="radio"]:checked + label,
[type="radio"]:not(:checked) + label
{
    position: relative;
    padding-left: 28px;
    cursor: pointer;
    line-height: 20px;
    display: block;
    color: #fff;
    font-weight: bold;
}
[type="radio"]:checked + label:before,
[type="radio"]:not(:checked) + label:before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 18px;
    height: 18px;
    border: 1px solid #ddd;
    border-radius: 100%;
    background: #fff;
}
[type="radio"]:checked + label:after,
[type="radio"]:not(:checked) + label:after {
    content: '';
    width: 12px;
    height: 12px;
    background: #3696EB;
    position: absolute;
    top: 4px;
    left: 4px;
    border-radius: 100%;
    -webkit-transition: all 0.2s ease;
    transition: all 0.2s ease;
}
[type="radio"]:not(:checked) + label:after {
    opacity: 0;
    -webkit-transform: scale(0);
    transform: scale(0);
}
[type="radio"]:checked + label:after {
    opacity: 1;
    -webkit-transform: scale(1);
    transform: scale(1);
}
/*****custom radio end****/

/*  media  */
@media screen and (max-width: 920px) {
  .main-section {
    flex-direction: column;
  }
  .filter h3 {
    margin: 5px 0;
  }
  .filter__reset {
    margin: 15px 0;
  }
  .search {
    margin-top: 0;
  }
}

@media screen and (max-width: 599px){
  .users .user {
    width: 100%;
  }
}