test.css

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
}

a {
  color: #000;
}

/* header */

.header {
  background-color: #fff;
  box-shadow: 1px 1px 4px 0 rgba(0,0,0,.1);
  position: fixed;
  width: 100%;
  z-index: 3;
  font-size:15px;
}

.header ul {
  margin: 0;
  padding: 0;
  list-style: none;
  overflow: hidden;
  background-color: #fff;
}

.header li a {
  display: block;
  padding: 20px 20px;
  border-right: 1px solid #f4f4f4;
  text-decoration: none;
}

.header li a:hover,
.header .menu-btn:hover {
  background-color: #f4f4f4;
}

.header .logo {
  display: block;
  float: left;
  font-size: 2em;
  padding: 12px 20px;
  text-decoration: none;
}

/* menu */

.header .menu {
  clear: both;
  max-height: 0;
  transition: max-height .2s ease-out;
}

/* menu icon */

.header .menu-icon {
  cursor: pointer;
  display: inline-block;
  float: right;
  padding: 28px 20px;
  position: relative;
  user-select: none;
}

.header .menu-icon .navicon {
  background: #333;
  display: block;
  height: 2px;
  position: relative;
  transition: 0.2s ease-out;
  width: 18px;
}

.header .menu-icon .navicon:before,
.header .menu-icon .navicon:after {
  background: #333;
  content: '';
  display: block;
  height: 100%;
  position: absolute;
  transition: all .2s ease-out;
  width: 100%;
}

.header .menu-icon .navicon:before {
  top: 5px;
}

.header .menu-icon .navicon:after {
  top: -5px;
}

/* menu btn */

.header .menu-btn {
  display: none;
}

.header .menu-btn:checked ~ .menu {
  max-height: 240px;
}

.header .menu-btn:checked ~ .menu-icon .navicon {
  background: transparent;
}

.header .menu-btn:checked ~ .menu-icon .navicon:before {
  transform: rotate(-45deg);
}

.header .menu-btn:checked ~ .menu-icon .navicon:after {
  transform: rotate(45deg);
}

.header .menu-btn:checked ~ .menu-icon:not(.steps) .navicon:before,
.header .menu-btn:checked ~ .menu-icon:not(.steps) .navicon:after {
  top: 0;
}

/* 48em = 768px */

@media (min-width: 768px) {
  .header li {
    float: left;
  }
  .header li a {
    padding: 25px 20px;
  }
  .header .menu {
    clear: none;
    float: right;
    max-height: none;
  }
  .header .menu-icon {
    display: none;
  }
}

@media (max-width:768px){
  .header li a {
    padding: 7px 20px;
  }
}


#main {
  padding-bottom: 0px;
  border-bottom: 1px solid black;
  padding-left: 0px;
  padding-right: 0px;
}

.sub_view {
  padding-left: 0px;
  padding-right: 0px;
}

.banner_con {
  padding-left: 0px;
  padding-right: 0px;
}

.detail_con {
  padding-left: 0px;
  padding-right: 0px;
}

.navbar img {
  max-width: 150px;
  height: auto;
}

.applynow_home {
  margin: 0px 15px 15px 15px;
}

.applynow_home a {
  margin: 15px;
  padding: 10px;
  border: 5px;
  font-size: 15px;
  color: #ff9e1b;
}

.sns {
  padding-bottom: 20px;
}

.sns i {
  padding: 1px;
  margin: 10px;
}

.btn-primary {
  background-color: #ff9e1b;
  border-color: #ff9e1b;
}

.btn-secondary {
  background-color: transparent;
  background-color: #ff9e1b;
  border-color: #ff9e1b;
}

.card-img-top {
  height: 60%;
}

/* 802px~ 768px */

.hackyourlife{
  
  width:300px;
  height: auto;
}

@media screen and (max-width: 445) {
  .applynow {
    display: grid;
    grid-template-columns: repeat(2,1fr);
  }
}

@media screen and (max-width: 780) {
  .applyimgdescsub{
    margin-left:0px;
  }
}

@media screen and (min-width: 781) {
  .applyimgdescsub{
    margin-left:20px;
  }
}


.left_line.design {
  width: calc(100% - 215px);
}

@media screen and (max-width: 767) {
  .contacts {
    padding: 20px;
  }
}

@media screen and (max-width:991px){
  .contact{
    border-top:1px solid black;
  }
}

@media screen and (max-width: 915) {
  .applynow {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
}

@media screen and (max-width: 490) {
  .applynow_title {
    font-size: 1rem;
  }
}

.myButton {
	box-shadow:inset 0px 1px 0px 0px #fff6af;
	/* background:linear-gradient(to bottom, #ffec64 5%, #ffab23 100%); */
	background-color:#ff9e1b;
	border-radius:6px;
	border:1px solid #ff9e1b;
	display:inline-block;
	cursor:pointer;
	color:#333333;
	font-family:Arial;
	font-size:15px;
	font-weight:bold;
	padding:6px 24px;
	text-decoration:none;
	text-shadow:0px 1px 0px#ff9e1b;
}
.myButton:hover {
	/* background:linear-gradient(to bottom, #ffab23 5%, #ffec64 100%); */
	background-color:#ff9e1b;
}
.myButton:active {
	position:relative;
	top:1px;
}