style.css

body {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  min-width: 470px;
  margin: 0 auto; 
}
.mainpart{
    margin: 0 20px; 
}
h1 {
  margin: 0;
  padding: 20px;
  font-size: 36px;
  text-align: center;
  background-color: #E57373;
  color: #fff;
  border-bottom: 2px solid black;
  border-top: 2px solid black;
}
.logo{
    width: 40px;
    height: 40px;
    position: relative;
    top:8px;
}
#save-btn {
  display: block;
  margin: 20px auto;
  padding: 10px 20px;
  font-size: 16px;
  font-weight:700;
  background-color: #FF8A80;
  color: black;
  border: 2px solid black;
  border-radius: 20px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.15);
  cursor: pointer;
  transition: all 0.3s ease;
}
#save-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}
.deletebtn {
width: 120px;
height: 50px;
cursor: pointer;
font-size: 20px;
background: #FF8A80;
border-radius: 10px;
border: 2px solid black;
box-shadow: 0px 0px 0px rgba(0,0,0,0.4);
transition: 500ms;
}

.deletebtn:hover {
    transform: translateY(-5px);
    box-shadow: 0px 10px 10px rgba(0,0,0,0.4);
}

.deletebtn:focus {
    outline: none;
}
.bookmark {
  padding: 20px;
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #fff;
  border-radius: 20px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.15);
}
.bookmark-title {
  margin-right: 10px;
  font-size: 24px;
  font-weight: bold;
  color: #546E7A;
  display: flex; 
  align-items: center; 
  cursor: pointer;
}
.bookmark{
    border: 1px solid black;
}
.bookmark:hover{
    border: 2px solid black;
}
.bookmark-img {
  margin-right: 10px; 
  width: 24px; 
  height: 24px; 
  border-radius: 50%;
}
.bookmark-url {
  font-size: 16px;
  color: #546E7A;
}