body, html {
  font-family: Georgia, 'Times New Roman', Times, serif;
  height: 100%;
  margin: 0;
  color: white;
  background-image: linear-gradient(to bottom, #030455, #200404 90%);
  background-repeat: no-repeat;
  background-attachment: fixed;
  /* overflow-x: hidden; (horizontal scrolling disabled)*/
  overflow: auto;
}

.wrapper {
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
 }
 
 h1 {
   text-align: center;
 }

/* Navigation Bar*/
nav {
  display: flex;
  align-items: center;
}

nav div { 
  flex: 1;
  white-space: nowrap;
}

nav img {
  height: 30px;
  margin: 8px;
}

nav p {
  margin: 0px 20px;
  display: flex;
}

.tab, .icon {
  color: white;
  padding: 14px 30px;
  text-decoration: none;
}

.topnav .icon {
  display: none;
}

.tab:hover, .icon:hover {
  color: red;
}

/* Footer*/
footer p {
  text-align: center;
}

/* Contact Page */
#contactBox {
  display: flex;
  flex-direction: column;
  padding: 20px;
  border: 1px solid #ddd;
  width: 50%;
  height: auto;
}

.content {
  display: flex;
  justify-content:space-between;
  padding: 5px;
}

.content label {
  display: block;
  width: 90px;
  text-align: right;
  padding-right: 10px;
}

.column {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.column div {
  padding: 5px;
  display: flex;
}

input[type=email], input[type=text], textarea {
  flex: 1;
}

.email {
  flex-direction: column;
  flex: 1;
}

div.email {
  padding: 0;
}

div.emailDiv {
  padding-bottom: 0;
}

#message {
  height: 50px;
}

.info {
  display: flex;
  flex-direction: column;
  white-space: nowrap;
  justify-content: center;
  padding-left: 8px;  
  border-style: solid;
  border-width: 2px;
  border-color: red;
  align-self: center;
}

.info div {
  margin: 10px 0;
}

#submit {
  width: 70px;
  margin-top: 7px;
  margin-left: 50%;
}

/* Email Validation*/
.error-message {
  color: red;
  font-size: 12px;
  margin: 0;
  margin-top: 5px;
  padding: 0;
}

/* Certificates Page*/
#certificate {
  display: flex;
  flex-direction: column;
  margin-bottom: 40px;
}

.certificate-img {
  width: 600px;
  height: auto;
  margin-top: 40px;
}


/* Project Page*/

.project-block a {
  color: #29b2d4;
}

#project-main {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap; 
}

.project-block {
  max-width: 500px;
  width: 100%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin: 15px;
}

.slider {
  position: relative;
  max-width: 480px;
  width: 500px;
  min-width: 0;
  display: flex;
  align-items: center; 
  justify-content: center; 
  gap: 10px;

}

.arrow {
  background: rgba(0, 0, 0, 0.5);
  color: white;
  border: none;
  font-size: 30px;
  cursor: pointer;

}

.project-block img {
  width: 100%;
  max-width: 400px;
  height: 250px;
}

.project-block p {
  font-size: 18px;
  line-height: 27px;
}



/* About Page*/
#about {
  display: flex;
  font-size: 20px;
  max-width: 800px;
}

#portrait {
  width: 300px; 
  margin-right: 17px;
  border-radius: 10px;
}