DZ1/src/style.css

body{
    margin: 0;
}

html{
    box-sizing: border-box;
}

*, *::before, *::after{
    box-sizing: inherit;
}

img{
    max-width: 100%;
    height: auto;
    vertical-align: top;
}

.container{
    max-width: 1110px;
    padding: 0 15px;
    margin: 0 auto;
}

.header-bg{
    background: #EEEFF1;
    padding-bottom: 150px;
}

.header{
    display: flex;
    justify-content: space-between;
}

.left{
    margin-top: 57px;
}

.nav{
    display: flex;
    align-items: center;
    white-space: nowrap;
    margin: 57px 0 0 0;
    font-family: 'Roboto';
    font-style: normal;
    font-weight: 500;
    font-size: 16px;
    line-height: 26px;
    letter-spacing: 0.1em;
    color: #34547A;
    text-transform: uppercase;
}

li a{
  text-decoration: none;
  color: #34547A;
}
li a:visited{
  color:  #34547A;
}
#burger {
  position: absolute;
  right: -99999px;
  opacity: 0;
  visibility: hidden;
}

.design{
    display: flex;
    justify-content: space-between;
}

.disp{
    display: flex;
    justify-content: center;
    align-items: center;
    width: 50%;
    margin-top: 50px;
}

.txt{
    width: 50%;
}

.design-title{
    font-family: 'Roboto';
    font-style: normal;
    font-weight: 500;
    font-size: 48px;
    line-height: 79px;
    margin-bottom: 10px;
}

.design-txt{
    font-family: 'Roboto';
    font-style: normal;
    font-weight: 400;
    font-size: 16px;
    line-height: 26px;
    color: #727272;
    margin-bottom: 60px;
}

.btn{
    background: #34547A;
    color: white;
    padding: 25px 41px;
    text-decoration: none;
    text-transform: uppercase;
}

.about{
    display: flex;
    flex-direction: column;
    align-items: center;
}

.about-title{
    font-family: 'Roboto';
    font-style: normal;
    font-weight: 500;
    font-size: 32px;
    line-height: 38px;
    text-align: center;
    color: #000000;
    text-transform: uppercase;
    margin-top: 90px;
}

.about-txt{
    font-family: 'Roboto';
    font-style: normal;
    font-weight: 400;
    font-size: 16px;
    line-height: 26px;
    text-align: center;
    color: #727272;
    width: 50%;
}

.bg{
    background: #34547A;
}

.project-list{
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.project{
    padding: 100px 0;
    display: flex;
}

.prjct-img{
    display: flex;
    align-items: center;
    margin-right: 20px;
}

.project-title{
    font-family: 'Roboto';
    font-style: normal;
    font-weight: 500;
    font-size: 21px;
    line-height: 25px;
    color: #FFFFFF;
    margin-bottom: 3px;
}

.project-txt{
    font-family: 'Roboto';
    font-style: normal;
    font-weight: 400;
    font-size: 16px;
    line-height: 26px;
    color: #FFFFFF;
    margin-top: 3px;
}

.section-skill{
    padding: 100px 0;
  }
  
  .skill-row{
    display: flex;
    
  }
  
  .skill-col{
    width: 50%;
  }
  
  .skill-text{
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-right: 75px;
  }
  
  .skill-bg{
    
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding-top: 85%;
  }
  
  .section-header{
    padding-top: 25px;
  }
  .section-header .title{
    font-size: 32px;
    line-height: 1.18;
    font-weight: 500;
    margin: 0 0 25px 0;
  }
  
  .skill-title{
    color: #727272;
    font-size: 16px;
    line-height: 1.6;
    display: block;
    margin-bottom: 20px;
  }
  
  .skills-item:not(:last-child) {
    margin-bottom: 30px;
  }
  
  .skill-wrap{
    position: relative;
    height: 4px;
    background: #c4c4c4;
  }
  
  .skill{
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    background: #34357a;
  }

  .work{
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .center{
    width: 50%;
    padding: 0 80px;
    text-align: center;
  }

  .video{
    position: relative;
  }

  .video-triangle{
    position: absolute;
    left: calc(50% - 50px);
    top: calc(50% - 50px);
  }

  .puzzle{
    display: flex;
    flex-wrap: wrap;
  }

  .part{
    width: 25%;
  }

  .view{
    position: relative;
  }

  .eye{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150px;
  }

  .dark-lap{
    width: 100%;
  }

  .microsoft{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin: 70px auto 70px auto;
  }

  .textar{
    display: flex;
    flex-direction: column;
    align-items: center;
}

.cont{
    max-width: 540px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
}

.text-top{
    display: flex;
    justify-content: space-between;
}

.inp{
    height: 50px;
    width: 250px;
    border: none;
}

.text-bot{
    justify-content: center;
}

.inp-bot{
    width: 100%;
    height: 170px;
    margin: 20px 0 70px 0;
    border: none;
}

::-webkit-input-placeholder {
    color: #5F5D5D;
    position: absolute;
    top: 17px;
    left: 20px;
 }

 ::-moz-placeholder{
    color: #5F5D5D;
    position: absolute;
    top: 17px;
    left: 20px;
 }

 :-ms-input-placeholder{
    color: #5F5D5D;
    position: absolute;
    top: 17px;
    left: 20px;
 }

 .mid{
    margin: 0 auto;
    max-width: 200px;
 }

 .bot-title{
    font-family: 'Roboto';
    font-style: normal;
    font-weight: 500;
    font-size: 21px;
    line-height: 25px;
    color: #FFFFFF;
    margin-bottom: 20px;
 }

 .bot-txt{
    font-family: 'Roboto';
    font-style: normal;
    font-weight: 400;
    font-size: 13px;
    line-height: 21px;
    color: #FFFFFF;
    margin-bottom: 50px;
 }

 .footer{
    display: flex;
    justify-content: space-between;
 }

 .bot-left{
    display: flex;
    flex-direction: column;
    justify-content: center;
 }

 .bot-right{
    display: flex;
    justify-content: space-around;
    align-items: center;

 }

 .bot-right img{
    margin-left: 22px;
 }

 @media (max-width: 1024px){
  .microsoft{  
    justify-content: center;
  }
  .micr-img{
    margin: 0 15px;
  }
 }

 @media (max-width: 768px){
  .about-txt{
    padding-bottom: 20px;
  }
  .right{
    display: flex;
    align-items: center;
  }
  .burger{
    display: block;
    height: 16px;
    width: 26px;
    position: relative;
    cursor: pointer;
    margin-top: 45px;
  }
  .burger::before,
  .burger::after{
    content: "";
  }
  .burger::before,
  .burger span,
  .burger::after{
    height: 2px;
    position: absolute;
    left: 0;
    right: 0;
    background: #000000;
    border-radius: 2px;
  }

  .burger::before{
    top: 0;
  }
  .burger span{
    top: 7px;
  }
  .burger::after{
    bottom: 0;
  }
  .nav {
    position: absolute;
    opacity: 0;
    visibility: hidden;
  }
  #burger:checked ~ .nav  {
    transition: all .3s ease-in-out;
    opacity: 1;
    visibility: visible;
    position: absolute;
    right: 0;
    top: 50px;
    background: #EEEFF1;
    opacity: .9;
    display: flex;
    flex-direction: column;
}
#burger:checked + .burger::before{
    transition: transform .3s ease-in-out;
    transform: rotate(45deg);
    top: 7px;
}

#burger:checked + .burger::after{
    transition: transform .3s ease-in-out;
    transform: rotate(-45deg);
    bottom: 7px;
}

#burger:checked + .burger span{
    opacity: 0;
}
.center{
  width: 100%;
  padding: 0;
}
.project-list{
  flex-wrap: wrap;
}
.project{
  padding: 35px 0;
  width: 33.333%;
}
.inp{
  width: 45%;
}
 }

 @media  ( max-width: 480px){
  .right{
    display: flex;
    align-items: center;
  }
  .burger{
    display: block;
    height: 16px;
    width: 26px;
    position: relative;
    cursor: pointer;
    margin-top: 45px;
  }
  .burger::before,
  .burger::after{
    content: "";
  }
  .burger::before,
  .burger span,
  .burger::after{
    height: 2px;
    position: absolute;
    left: 0;
    right: 0;
    background: #000000;
    border-radius: 2px;
  }

  .burger::before{
    top: 0;
  }
  .burger span{
    top: 7px;
  }
  .burger::after{
    bottom: 0;
  }
  .nav {
    position: absolute;
    opacity: 0;
    visibility: hidden;
  }
  #burger:checked ~ .nav  {
    transition: all .3s ease-in-out;
    opacity: 1;
    visibility: visible;
    position: absolute;
    right: 0;
    top: 50px;
    background: #EEEFF1;
    opacity: .9;
    display: flex;
    flex-direction: column;
}
#burger:checked + .burger::before{
    transition: transform .3s ease-in-out;
    transform: rotate(45deg);
    top: 7px;
}

#burger:checked + .burger::after{
    transition: transform .3s ease-in-out;
    transform: rotate(-45deg);
    bottom: 7px;
}

#burger:checked + .burger span{
    opacity: 0;
}
.design{
  flex-direction: column;
  align-items: center;
}
.txt{
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.about-txt{
  width: 100%;
}
.project-list{
  flex-wrap: wrap;
}
.project{
  padding: 35px 0;
}
.center{
  width: 100%;
  padding: 0;
}
.header-bg{
  padding-bottom: 55px;
}
.microsoft{
  margin: 0;
}
.part{
  width: 50%;
}
.inp{
  width: 45%;
}
.section-skill{
  padding: 30px 0;
}
.skill-row{
  flex-direction: column-reverse;
}
.skill-col{
  width: 90%;
}
.skill-text{
  padding: 0;
}
.video-triangle{
  width: 25%;
  left: calc(50% - 35px);
  top: calc(50% - 35px);
}
.bot-right{
  margin-right: 10px
}
 }
 @media (max-width: 320px){
  .design-title{
    text-align: center;
  }
  .about{
    margin-top: -70px;
  }
  .section-skill{
    padding: 30px 0;
  }
  .skill-row{
    flex-direction: column-reverse;
  }
  .skill-col{
    width: 90%;
  }
  .skill-text{
    padding: 0;
  }
  .video-triangle{
    width: 25%;
    left: calc(50% - 35px);
    top: calc(50% - 35px);
  }
  .bot-right{
    margin-right: 10px
  }
 }