style.css

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  width: 100%;
  height: 100%;
}
/* ********HEADER********* */
.header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  background-color: #35424a;
  height: 125px;
  padding: 0px 25px;
  width: 100%;
  border-bottom: 3px solid #a9508b;
}

.header .header__div--left {
  display: flex;
  flex-wrap: wrap;
}
.header div span {
  color: #a9508b;
}
.header div h1 {
  color: white;
}
.header .header__nav--rigth a {
  text-decoration: none;
  color: white;
  font-size: 1.3rem;
}
#active:visited{
  color: #a9508b;
}
.header .header__nav--rigth {
  display: flex;
  flex-wrap: wrap;
  justify-content: end;
  gap: 25px;

}
.header__nav--rigth a:hover{
    outline: 5px inset gray;
    outline-offset: 7px;
    outline-width: 7px;
    transform: rotate(5deg); 
}

/* *********MAİN********** */
.main {
  background-image: url(img/showcase.jpg);
  background-repeat: no-repeat;
  background-size: cover;
  background-attachment: fixed;
  height: 650px;
  background-position: center;
  
  display: flex;
  flex-wrap: wrap;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
}
.main > h2 {
  color: white;
  opacity: 0.7;
  font-size: 3.5rem;
}
.main > p {
  color: white;
  opacity: 0.7;
  font-size: 1.5rem;
}
/* **********ASİDE********* */
.aside {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  background-color: #35424a;
  height: 100px;
}
.aside p,
.aside .aside__div-input-button {
  margin: 0 5rem;
}
.aside p{
    color:white;
    font-size: 1.5rem;
}
.aside__div-input-button input {
  margin-right: 0.1rem;
  padding: 0.7rem;
  border: 1px solid #e8491d;
}
.aside__div-input-button > button {
  background-color: #e8491d;
  color: aliceblue;
  border: none;
  padding: 0.8rem;
}

/* *********SECTİON******** */

section {
  width: 100%;
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
}

section p,
section h3 {
  width: 150px;
  height: 100%;
}
.section__div--letf,
.section__div--middel,
.section__div--rigth {
  padding: 25px 0px;
}

/* *********FOOTER********** */
footer {
  padding: 15px;
  background-color: #35424a;
  text-align: center;
  color: aliceblue;
}