body {
  /*font-family: Arial, Helvetica, sans-serif;
    font-size:15px;
    line-height:1.5;*/

  font: 15px/1.5 Arial, helvetica, sans-serif;
  padding: 5;
  margin: 5;
  background-color: #f4f4f4;
}

/*Global*/
.container {
  width: 95%;
  margin: auto;
  overflow: hidden;
}

header {
  background: #35424a;
  color: #ffffff;
  padding-top: 30px;
  min-height: 70px;
  border-bottom: #2ce7bf 3px solid;
}

header #brand {
  float: left;
}

header #brand h1 {
  margin: 0;
}
header nav {
  float: right;
  margin-top: 10px;
}

header .highlight {
  color: #2ce7bf;
  font-weight: bold;
}

#content {
  width: 95%;
}

.button_1 {
  height: 38px;
  background: #35424a;
  border: none;
  padding-left: 12px;
  padding-right: 12px;
  color: #ffffff;
  margin-top: 5px;
  width: 200px;
  font-size: 1.1em;
}

.deleteButton{
  height: 28px;
  background: #35424a;
  border: none;
  padding-left: 12px;
  padding-right: 12px;
  color: #ffffff;
  margin-top: 5px;
  margin-left: 5px;
  width: 100px;
  font-size: 1em;
}

input{
  height: 28px;
  margin-top: 5px;
  width: 200px;
  font-size: 1em;
  padding-left: 10px;
  padding-right: 10px;
}


.button_1:hover {
  height: 40px;
  background: #2ce7bf; /* #4a6270;*/
  color: #35424a;
}


/***********Whole Accordion******************/
.accordion {
  position: relative;
  margin: 2px;
  max-width: 50vw;
}

/*********************************************************************
Repeat and read again W3SCHOOL Pseudo-Class and Pseudo-Element Section
*********************************************************************/

/* only checkbox-label*/
.accordion input {
  display: none; /*regular checkbox will not be visible*/
}
.accordion label {
  display: block;
  background: #2c3e50;
  color: #fff;
  font-weight: bold;
  padding: 10px;
  cursor: pointer;
}
.accordion label::after {
  content: "\25b6"; /*ASCII code, ths is small arrow*/
  position: absolute;
  right: 10px;
  top: 10px;
  display: block;
  transition: all 0.8s;
}
.accordion input[type=checkbox]:checked + label::after {
  transform: rotate(90deg); /*Always start counter clock (first right)*/
}

/* Description itself */
.accordion_content {
  overflow: hidden; /*key line is here Be careful, Codes are still there but overflow closed.*/
  background: #ccdef9;
  transition: max-height 0.6s; 
  max-height: 0;
}
.accordion_content p {
  margin: 20px;
}
.accordion_content img{
    width: 90%;
    padding-left: 10px;
}

.accordion input:checked ~ .accordion_content {
  max-height: 70vh; /*suddenly we change height then it will be visible because overflow now open*/
  overflow: auto;
}

footer{
  padding: 20px;
  margin-top:20px;
  color:#2c3e50;
  background-color:#2ce7bf;
  text-align:center;
}

@media (max-width: 768px) {
  header #brand,
 .button_1 {
    float: none;
    text-align: center;
    width: 100%;
    margin-top: 20px;
  }
  input{
    width: 92%;
    float: none;
  }
  .accordion {
    max-width: 100%;
    font-size: 0.8em;
  }
  header {
    padding-bottom: 20px;
  }

  .box {
    max-width: 80%;
  }
}